diff --git a/.gitignore b/.gitignore
index cd0c32e9..0f175468 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ requests.egg-info/
 *.swp
 *.egg
 env/
+.eggs/
 
 .workon
 
diff --git a/.travis.yml b/.travis.yml
index 53833fb8..7f1c4968 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ install: "make"
 # command to run tests
 script:
   - |
-    if [[ "$TRAVIS_PYTHON_VERSION" != "2.6" ]] ; then make test-readme; fi
+    make test-readme
   - make ci
 cache: pip
 jobs:
@@ -14,11 +14,6 @@ jobs:
         - make test-readme
         - make ci
       python: '2.7'
-    - stage: test
-      script:
-        - make test-readme
-        - make ci
-      python: '3.4'
     - stage: test
       script:
         - make test-readme
diff --git a/AUTHORS.rst b/AUTHORS.rst
index f0ee696b..22147342 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -189,3 +189,4 @@ Patches and Suggestions
 - Darren Dormer (`@ddormer <https://github.com/ddormer>`_)
 - Rajiv Mayani (`@mayani <https://github.com/mayani>`_)
 - Antti Kaihola (`@akaihola <https://github.com/akaihola>`_)
+- "Dull Bananas" <dull.bananas0@gmail.com> (`@dullbananas <https://github.com/dullbananas>`_)
diff --git a/HISTORY.md b/HISTORY.md
index 1d0bd073..af0cfffe 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -8,6 +8,18 @@ dev
 
 -   \[Short description of non-trivial change.\]
 
+2.22.0 (2019-05-15)
+-------------------
+
+**Dependencies**
+
+- Requests now supports urllib3 v1.25.2.
+  (note: 1.25.0 and 1.25.1 are incompatible)
+
+**Deprecations**
+
+- Requests has officially stopped support for Python 3.4.
+
 2.21.0 (2018-12-10)
 -------------------
 
@@ -537,7 +549,7 @@ Or, even better:
 
 **Bugfixes**
 
--   For file-like objects that are not seeked to the very beginning, we
+-   For file-like objects that are not sought to the very beginning, we
     now send the content length for the number of bytes we will actually
     read, rather than the total size of the file, allowing partial file
     uploads.
diff --git a/Pipfile b/Pipfile
index b6705a6c..16f3aba7 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,12 +4,12 @@ verify_ssl = true
 name = "pypi"
 
 [dev-packages]
-pytest = ">=2.8.0,<4.1"
+pytest = ">=2.8.0,<=3.10.1"
 codecov = "*"
-pytest-httpbin = ">=0.0.7"
+pytest-httpbin = ">=0.0.7,<1.0"
 pytest-mock = "*"
 pytest-cov = "*"
-pytest-xdist = "*"
+pytest-xdist = "<=1.25"
 alabaster = "*"
 readme-renderer = "*"
 sphinx = "<=1.5.5"
diff --git a/Pipfile.lock b/Pipfile.lock
index e712de41..b50f4650 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "0735b243455d8e924fbd05188ed435bfd3917f4acdade9b9e8f14741f3fc47e9"
+            "sha256": "33206a3ef69c36187f33224ccf8e694a323ff4f7b2cc92c35fe8e71898b525a0"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -16,10 +16,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:13e698f54293db9f89122b0581843a782ad0934a4fe0172d2a980ba77fc61bb7",
-                "sha256:9fa520c1bacfb634fa7af20a76bcbd3d5fb390481724c597da32c719a7dca4b0"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.4.16"
+            "version": "==2019.3.9"
         },
         "chardet": {
             "hashes": [
@@ -37,61 +37,86 @@
         },
         "idna": {
             "hashes": [
-                "sha256:2c6a5de3089009e3da7c5dde64a141dbc8551d5b7f6cf4ed7c2568d0cc520a8f",
-                "sha256:8c7309c718f94b3a625cb648ace320157ad16ff131ae0af362c9f21b80ef6ec4"
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
             ],
-            "version": "==2.6"
+            "version": "==2.8"
         },
         "pysocks": {
             "hashes": [
-                "sha256:3fe52c55890a248676fd69dc9e3c4e811718b777834bcaab7a8125cf9deac672"
+                "sha256:15d38914b60dbcb231d276f64882a20435c049450160e953ca7d313d1405f16f",
+                "sha256:32238918ac0f19e9fd870a8692ac9bd14f5e8752b3c62624cda5851424642210",
+                "sha256:d9031ea45fdfacbe59a99273e9f0448ddb33c1580fe3831c1b09557c5718977c"
             ],
-            "version": "==1.6.8"
+            "version": "==1.7.0"
+        },
+        "requests": {
+            "editable": true,
+            "extras": [
+                "socks"
+            ],
+            "path": ".",
+            "version": "==2.22.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:06330f386d6e4b195fbfc736b297f58c5a892e4440e54d294d7004e3a9bbea1b",
-                "sha256:cc44da8e1145637334317feebd728bd869a35285b93cbb4cca2577da7e62db4f"
+                "sha256:a53063d8b9210a7bdec15e7b272776b9d42b2fd6816401a0d43006ad2f9902db",
+                "sha256:d363e3607d8de0c220d31950a8f38b18d5ba7c0830facd71a1c6b1036b7ce06c"
             ],
-            "version": "==1.22"
+            "version": "==1.25.2"
+        },
+        "win-inet-pton": {
+            "hashes": [
+                "sha256:dd03d942c0d3e2b1cf8bab511844546dfa5f74cb61b241699fa379ad707dea4f",
+                "sha256:eaf0193cbe7152ac313598a0da7313fb479f769343c0c16c5308f64887dc885b"
+            ],
+            "markers": "sys_platform == 'win32' and python_version == '2.7'",
+            "version": "==1.1.0"
         }
     },
     "develop": {
         "alabaster": {
             "hashes": [
-                "sha256:2eef172f44e8d301d25aff8068fddd65f767a3f04b5f15b0f4922f113aa1c732",
-                "sha256:37cdcb9e9954ed60912ebc1ca12a9d12178c26637abdf124e3cde2341c257fe0"
+                "sha256:446438bdcca0e05bd45ea2de1668c1d9b032e1a9154c2c259092d77031ddd359",
+                "sha256:a661d72d58e6ea8a57f7a86e37d86716863ee5e92788398526d58b26a4e4dc02"
             ],
             "index": "pypi",
-            "version": "==0.7.10"
+            "version": "==0.7.12"
         },
         "apipkg": {
             "hashes": [
-                "sha256:2e38399dbe842891fe85392601aab8f40a8f4cc5a9053c326de35a1cc0297ac6",
-                "sha256:65d2aa68b28e7d31233bb2ba8eb31cda40e4671f8ac2d6b241e358c9652a74b9"
+                "sha256:37228cda29411948b422fae072f57e31d3396d2ee1c9783775980ee9c9990af6",
+                "sha256:58587dd4dc3daefad0487f6d9ae32b4542b185e1c36db6993290e7c41ca2b47c"
             ],
-            "version": "==1.4"
+            "version": "==1.5"
+        },
+        "atomicwrites": {
+            "hashes": [
+                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
+                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
+            ],
+            "version": "==1.3.0"
         },
         "attrs": {
             "hashes": [
-                "sha256:4b90b09eeeb9b88c35bc642cbac057e45a5fd85367b985bd2809c62b7b939265",
-                "sha256:e0d0eb91441a3b53dab4d9b743eafc1ac44476296a2053b6ca3af0b139faf87b"
+                "sha256:69c0dbf2ed392de1cb5ec704444b08a5ef81680a61cb899dc08127123af36a79",
+                "sha256:f0b870f674851ecbfbbbd364d6b5cbdff9dcedbc7f3f5e18a6891057f21fe399"
             ],
-            "version": "==18.1.0"
+            "version": "==19.1.0"
         },
         "babel": {
             "hashes": [
-                "sha256:8ce4cb6fdd4393edd323227cba3a077bceb2a6ce5201c902c65e730046f41f14",
-                "sha256:ad209a68d7162c4cff4b29cdebe3dec4cef75492df501b0049a9433c96ce6f80"
+                "sha256:6778d85147d5d85345c14a26aada5e478ab04e39b078b0745ee6870c2b5cf669",
+                "sha256:8cba50f48c529ca3fa18cf81fa9403be176d374ac4d60738b839122dfaaa3d23"
             ],
-            "version": "==2.5.3"
+            "version": "==2.6.0"
         },
         "bleach": {
             "hashes": [
-                "sha256:b8fa79e91f96c2c2cd9fd1f9eda906efb1b88b483048978ba62fef680e962b34",
-                "sha256:eb7386f632349d10d9ce9d4a838b134d4731571851149f9cc2c05a9a837a9a44"
+                "sha256:213336e49e102af26d9cde77dd2d0397afabc5a6bf2fed985dc35b5d1e285a16",
+                "sha256:3fdf7f77adcf649c9911387df51254b813185e32b2c6619f690b593a617e19fa"
             ],
-            "version": "==2.1.3"
+            "version": "==3.1.0"
         },
         "blinker": {
             "hashes": [
@@ -135,42 +160,43 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:13e698f54293db9f89122b0581843a782ad0934a4fe0172d2a980ba77fc61bb7",
-                "sha256:9fa520c1bacfb634fa7af20a76bcbd3d5fb390481724c597da32c719a7dca4b0"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.4.16"
+            "version": "==2019.3.9"
         },
         "cffi": {
             "hashes": [
-                "sha256:151b7eefd035c56b2b2e1eb9963c90c6302dc15fbd8c1c0a83a163ff2c7d7743",
-                "sha256:1553d1e99f035ace1c0544050622b7bc963374a00c467edafac50ad7bd276aef",
-                "sha256:1b0493c091a1898f1136e3f4f991a784437fac3673780ff9de3bcf46c80b6b50",
-                "sha256:2ba8a45822b7aee805ab49abfe7eec16b90587f7f26df20c71dd89e45a97076f",
-                "sha256:3c85641778460581c42924384f5e68076d724ceac0f267d66c757f7535069c93",
-                "sha256:3eb6434197633b7748cea30bf0ba9f66727cdce45117a712b29a443943733257",
-                "sha256:4c91af6e967c2015729d3e69c2e51d92f9898c330d6a851bf8f121236f3defd3",
-                "sha256:770f3782b31f50b68627e22f91cb182c48c47c02eb405fd689472aa7b7aa16dc",
-                "sha256:79f9b6f7c46ae1f8ded75f68cf8ad50e5729ed4d590c74840471fc2823457d04",
-                "sha256:7a33145e04d44ce95bcd71e522b478d282ad0eafaf34fe1ec5bbd73e662f22b6",
-                "sha256:857959354ae3a6fa3da6651b966d13b0a8bed6bbc87a0de7b38a549db1d2a359",
-                "sha256:87f37fe5130574ff76c17cab61e7d2538a16f843bb7bca8ebbc4b12de3078596",
-                "sha256:95d5251e4b5ca00061f9d9f3d6fe537247e145a8524ae9fd30a2f8fbce993b5b",
-                "sha256:9d1d3e63a4afdc29bd76ce6aa9d58c771cd1599fbba8cf5057e7860b203710dd",
-                "sha256:a36c5c154f9d42ec176e6e620cb0dd275744aa1d804786a71ac37dc3661a5e95",
-                "sha256:ae5e35a2c189d397b91034642cb0eab0e346f776ec2eb44a49a459e6615d6e2e",
-                "sha256:b0f7d4a3df8f06cf49f9f121bead236e328074de6449866515cea4907bbc63d6",
-                "sha256:b75110fb114fa366b29a027d0c9be3709579602ae111ff61674d28c93606acca",
-                "sha256:ba5e697569f84b13640c9e193170e89c13c6244c24400fc57e88724ef610cd31",
-                "sha256:be2a9b390f77fd7676d80bc3cdc4f8edb940d8c198ed2d8c0be1319018c778e1",
-                "sha256:d5d8555d9bfc3f02385c1c37e9f998e2011f0db4f90e250e5bc0c0a85a813085",
-                "sha256:e55e22ac0a30023426564b1059b035973ec82186ddddbac867078435801c7801",
-                "sha256:e90f17980e6ab0f3c2f3730e56d1fe9bcba1891eeea58966e89d352492cc74f4",
-                "sha256:ecbb7b01409e9b782df5ded849c178a0aa7c906cf8c5a67368047daab282b184",
-                "sha256:ed01918d545a38998bfa5902c7c00e0fee90e957ce036a4000a88e3fe2264917",
-                "sha256:edabd457cd23a02965166026fd9bfd196f4324fe6032e866d0f3bd0301cd486f",
-                "sha256:fdf1c1dc5bafc32bc5d08b054f94d659422b05aba244d6be4ddc1c72d9aa70fb"
+                "sha256:041c81822e9f84b1d9c401182e174996f0bae9991f33725d059b771744290774",
+                "sha256:046ef9a22f5d3eed06334d01b1e836977eeef500d9b78e9ef693f9380ad0b83d",
+                "sha256:066bc4c7895c91812eff46f4b1c285220947d4aa46fa0a2651ff85f2afae9c90",
+                "sha256:066c7ff148ae33040c01058662d6752fd73fbc8e64787229ea8498c7d7f4041b",
+                "sha256:2444d0c61f03dcd26dbf7600cf64354376ee579acad77aef459e34efcb438c63",
+                "sha256:300832850b8f7967e278870c5d51e3819b9aad8f0a2c8dbe39ab11f119237f45",
+                "sha256:34c77afe85b6b9e967bd8154e3855e847b70ca42043db6ad17f26899a3df1b25",
+                "sha256:46de5fa00f7ac09f020729148ff632819649b3e05a007d286242c4882f7b1dc3",
+                "sha256:4aa8ee7ba27c472d429b980c51e714a24f47ca296d53f4d7868075b175866f4b",
+                "sha256:4d0004eb4351e35ed950c14c11e734182591465a33e960a4ab5e8d4f04d72647",
+                "sha256:4e3d3f31a1e202b0f5a35ba3bc4eb41e2fc2b11c1eff38b362de710bcffb5016",
+                "sha256:50bec6d35e6b1aaeb17f7c4e2b9374ebf95a8975d57863546fa83e8d31bdb8c4",
+                "sha256:55cad9a6df1e2a1d62063f79d0881a414a906a6962bc160ac968cc03ed3efcfb",
+                "sha256:5662ad4e4e84f1eaa8efce5da695c5d2e229c563f9d5ce5b0113f71321bcf753",
+                "sha256:59b4dc008f98fc6ee2bb4fd7fc786a8d70000d058c2bbe2698275bc53a8d3fa7",
+                "sha256:73e1ffefe05e4ccd7bcea61af76f36077b914f92b76f95ccf00b0c1b9186f3f9",
+                "sha256:a1f0fd46eba2d71ce1589f7e50a9e2ffaeb739fb2c11e8192aa2b45d5f6cc41f",
+                "sha256:a2e85dc204556657661051ff4bab75a84e968669765c8a2cd425918699c3d0e8",
+                "sha256:a5457d47dfff24882a21492e5815f891c0ca35fefae8aa742c6c263dac16ef1f",
+                "sha256:a8dccd61d52a8dae4a825cdbb7735da530179fea472903eb871a5513b5abbfdc",
+                "sha256:ae61af521ed676cf16ae94f30fe202781a38d7178b6b4ab622e4eec8cefaff42",
+                "sha256:b012a5edb48288f77a63dba0840c92d0504aa215612da4541b7b42d849bc83a3",
+                "sha256:d2c5cfa536227f57f97c92ac30c8109688ace8fa4ac086d19d0af47d134e2909",
+                "sha256:d42b5796e20aacc9d15e66befb7a345454eef794fdb0737d1af593447c6c8f45",
+                "sha256:dee54f5d30d775f525894d67b1495625dd9322945e7fee00731952e0368ff42d",
+                "sha256:e070535507bd6aa07124258171be2ee8dfc19119c28ca94c9dfb7efd23564512",
+                "sha256:e1ff2748c84d97b065cc95429814cdba39bcbd77c9c85c89344b317dc0d9cbff",
+                "sha256:ed851c75d1e0e043cbf5ca9a8e1b13c4c90f3fbd863dacb01c0808e2b5204201"
             ],
-            "version": "==1.11.5"
+            "version": "==1.12.3"
         },
         "chardet": {
             "hashes": [
@@ -181,38 +207,10 @@
         },
         "click": {
             "hashes": [
-                "sha256:29f99fc6125fbc931b758dc053b3114e55c77a6e4c6c3a2674a2dc986016381d",
-                "sha256:f15516df478d5a56180fbf80e68f206010e6d160fc39fa508b65e035fd75130b"
+                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
+                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
             ],
-            "version": "==6.7"
-        },
-        "cmarkgfm": {
-            "hashes": [
-                "sha256:0186dccca79483e3405217993b83b914ba4559fe9a8396efc4eea56561b74061",
-                "sha256:1a625afc6f62da428df96ec325dc30866cc5781520cbd904ff4ec44cf018171c",
-                "sha256:275905bb371a99285c74931700db3f0c078e7603bed383e8cf1a09f3ee05a3de",
-                "sha256:50098f1c4950722521f0671e54139e0edc1837d63c990cf0f3d2c49607bb51a2",
-                "sha256:50ed116d0b60a07df0dc7b180c28569064b9d37d1578d4c9021cff04d725cb63",
-                "sha256:61a72def110eed903cd1848245897bcb80d295cd9d13944d4f9f30cba5b76655",
-                "sha256:64186fb75d973a06df0e6ea12879533b71f6e7ba1ab01ffee7fc3e7534758889",
-                "sha256:665303d34d7f14f10d7b0651082f25ebf7107f29ef3d699490cac16cdc0fc8ce",
-                "sha256:70b18f843aec58e4e64aadce48a897fe7c50426718b7753aaee399e72df64190",
-                "sha256:761ee7b04d1caee2931344ac6bfebf37102ffb203b136b676b0a71a3f0ea3c87",
-                "sha256:811527e9b7280b136734ed6cb6845e5fbccaeaa132ddf45f0246cbe544016957",
-                "sha256:987b0e157f70c72a84f3c2f9ef2d7ab0f26c08f2bf326c12c087ff9eebcb3ff5",
-                "sha256:9fc6a2183d0a9b0974ec7cdcdad42bd78a3be674cc3e65f87dd694419b3b0ab7",
-                "sha256:c573ea89dd95d41b6d8cf36799c34b6d5b1eac4aed0212dee0f0a11fb7b01e8f",
-                "sha256:c5f1b9e8592d2c448c44e6bc0d91224b16ea5f8293908b1561de1f6d2d0658b1",
-                "sha256:cbe581456357d8f0674d6a590b1aaf46c11d01dd0a23af147a51a798c3818034",
-                "sha256:cf219bec69e601fe27e3974b7307d2f06082ab385d42752738ad2eb630a47d65",
-                "sha256:d08bad67fa18f7e8ff738c090628ee0cbf0505d74a991c848d6d04abfe67b697",
-                "sha256:d6f716d7b1182bf35862b5065112f933f43dd1aa4f8097c9bcfb246f71528a34",
-                "sha256:e08e479102627641c7cb4ece421c6ed4124820b1758765db32201136762282d9",
-                "sha256:e20ac21418af0298437d29599f7851915497ce9f2866bc8e86b084d8911ee061",
-                "sha256:e25f53c37e319241b9a412382140dffac98ca756ba8f360ac7ab5e30cad9670a",
-                "sha256:f20900f16377f2109783ae9348d34bc80530808439591c3d3df73d5c7ef1a00c"
-            ],
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+            "version": "==7.0"
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         "codecov": {
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@@ -224,10 +222,11 @@
         },
         "configparser": {
             "hashes": [
-                "sha256:5308b47021bc2340965c371f0f058cc6971a04502638d4244225c49d80db273a"
+                "sha256:8be81d89d6e7b4c0d4e44bcc525845f6da25821de80cb5e06e7e0238a2899e32",
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             "markers": "python_version < '3.2'",
-            "version": "==3.5.0"
+            "version": "==3.7.4"
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         "contextlib2": {
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@@ -239,59 +238,71 @@
         },
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+                "sha256:c968a6aa7e0b56ecbd28531ddf439c2ec103610d3e2bf3b75b813304f8cb7723",
+                "sha256:ca58eba39c68010d7e87a823f22a081b5290e3e3c64714aac3c91481d8b34d22",
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+                "sha256:f406628ca51e0ae90ae76ea8398677a921b36f0bd71aab2099dfed08abd0322f",
+                "sha256:f46087bbd95ebae244a0eda01a618aff11ec7a069b15a3ef8f6b520db523dcf1",
+                "sha256:f8019c5279eb32360ca03e9fac40a12667715546eed5c5eb59eb381f2f501260",
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-            "version": "==4.5.1"
+            "version": "==4.5.3"
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         "decorator": {
             "hashes": [
-                "sha256:2c51dff8ef3c447388fe5e4453d24a2bf128d3a4c32af3fabef1f01c6851ab82",
-                "sha256:c39efa13fbdeb4506c476c9b3babf6a718da943dab7811c206005a4a956c080c"
+                "sha256:86156361c50488b84a3f148056ea716ca587df2f0de1d34750d35c21312725de",
+                "sha256:f069f3a01830ca754ba5258fde2278454a0b5b79e0d7f5c13b3b97e57d4acff6"
             ],
-            "version": "==4.3.0"
+            "version": "==4.4.0"
         },
         "detox": {
             "hashes": [
-                "sha256:cb24895a0e4f95c0bcb1087a201c453600e075568af00848e91518fb2b984568",
-                "sha256:f3119bca4444f1e8a1d7189b064c52cfdd9a89ad3a1c921d78b49bf7f5dc5b1b"
+                "sha256:e650f95f0c7f5858578014b3b193e5dac76c89285c1bbe4bae598fd641bf9cd3",
+                "sha256:fcad009e2d20ce61176dc826a2c1562bd712fe53953ca603b455171cf819080f"
             ],
             "index": "pypi",
-            "version": "==0.12"
+            "version": "==0.19"
+        },
+        "dnspython": {
+            "hashes": [
+                "sha256:36c5e8e38d4369a08b6780b7f27d790a292b2b08eea01607865bf0936c558e01",
+                "sha256:f69c21288a962f4da86e56c4905b49d11aba7938d3d740e80d9e366ee4f1632d"
+            ],
+            "version": "==1.16.0"
         },
         "docutils": {
             "hashes": [
@@ -302,6 +313,13 @@
             "index": "pypi",
             "version": "==0.14"
         },
+        "entrypoints": {
+            "hashes": [
+                "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
+                "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"
+            ],
+            "version": "==0.3"
+        },
         "enum34": {
             "hashes": [
                 "sha256:2d81cbbe0e73112bdfe6ef8576f2238f2ba27dd0d55752a776c41d38b7da2850",
@@ -314,25 +332,32 @@
         },
         "eventlet": {
             "hashes": [
-                "sha256:06cffa55b335cc4fc32d0079242a81e8a9cddf2581d64d5f0543e2d412b26ca8",
-                "sha256:554a50dad7abee0a9775b0780ce9d9c0bd9123dda4743c46d4314170267c6c47"
+                "sha256:c584163e006e613707e224552fafc63e4e0aa31d7de0ab18b481ac0b385254c8",
+                "sha256:d9d31a3c8dbcedbcce5859a919956d934685b17323fc80e1077cb344a2ffa68d"
             ],
-            "version": "==0.23.0"
+            "version": "==0.24.1"
         },
         "execnet": {
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-                "sha256:a7a84d5fa07a089186a329528f127c9d73b9de57f1a1131b82bb5320ee651f6a",
-                "sha256:fc155a6b553c66c838d1a22dba1dc9f5f505c43285a878c6f74a79c024750b83"
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+                "sha256:752a3786f17416d491f833a29217dda3ea4a471fc5269c492eebcee8cc4772d3"
             ],
-            "version": "==1.5.0"
+            "version": "==1.6.0"
+        },
+        "filelock": {
+            "hashes": [
+                "sha256:b8d5ca5ca1c815e1574aee746650ea7301de63d87935b3463d26368b76e31633",
+                "sha256:d610c1bb404daf85976d7a82eb2ada120f04671007266b708606565dd03b5be6"
+            ],
+            "version": "==3.0.10"
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         "flake8": {
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-                "sha256:c7841163e2b576d435799169b78703ad6ac1bbb0f199994fc05f700b2a90ea37"
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-            "version": "==3.5.0"
+            "version": "==3.7.7"
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@@ -346,43 +371,40 @@
                 "sha256:330cc27ccbf7f1e992e69fef78261dc7c6569012cf397db8d3de0234e6c937ca",
                 "sha256:a7bb0f2cf3a3fd1ab2732cb49eba4252c2af4240442415b4abce3b87022a8f50"
             ],
-            "markers": "python_version < '3.3'",
+            "markers": "python_version < '3.0'",
             "version": "==1.0.2"
         },
-        "future": {
+        "functools32": {
             "hashes": [
-                "sha256:e39ced1ab767b5936646cedba8bcce582398233d6a627067d4c6a454c90cfedb"
+                "sha256:89d824aa6c358c421a234d7f9ee0bd75933a67c29588ce50aaa3acdf4d403fa0",
+                "sha256:f6253dfbe0538ad2e387bd8fdfd9293c925d63553f5813c4e587745416501e6d"
             ],
-            "version": "==0.16.0"
+            "markers": "python_version < '3.2'",
+            "version": "==3.2.3.post2"
         },
         "greenlet": {
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-            "version": "==1.0.1"
+            "version": "==0.4.15"
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         "httpbin": {
             "hashes": [
@@ -394,36 +416,64 @@
         },
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             "hashes": [
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+                "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
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-            "version": "==0.24"
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-            "version": "==2.10"
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+            "version": "==1.1.1"
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         "mccabe": {
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@@ -434,97 +484,106 @@
         },
         "mock": {
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             "markers": "python_version < '3.0'",
-            "version": "==2.0.0"
+            "version": "==3.0.5"
+        },
+        "monotonic": {
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+                "sha256:552a91f381532e33cbd07c6a2655a21908088962bb8fa7239ecbcc6ad1140cc7"
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+            "version": "==5.0.0"
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+            "markers": "python_version < '3.6'",
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+                "sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3"
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-                "sha256:8d616a382f243dbf19b54743f280b80198be0bca3a5396f1d2e1fca6223e8805"
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-            "version": "==1.6.0"
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         "pysocks": {
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-            "version": "==3.5.1"
+            "version": "==3.10.1"
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-                "sha256:890fe5565400902b0c78b5357004aab1c814115894f4f21370e2433256a3eeec"
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             "index": "pypi",
-            "version": "==2.5.1"
+            "version": "==2.7.1"
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-            "version": "==0.2"
+            "version": "==1.0.2"
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         "pytest-httpbin": {
             "hashes": [
@@ -536,55 +595,76 @@
         },
         "pytest-mock": {
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-            "version": "==1.10.0"
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-                "sha256:e8f5744acc270b3e7d915bdb4d5f471670f049b6fbd163d4cbd52203b075d30f"
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             "index": "pypi",
-            "version": "==1.22.2"
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-                "sha256:c06425302f2cf668f1bba7a0a03f3c1d34d4ebeef2c72003da308b3947c7f749"
+                "sha256:303879e36b721603cc54604edcac9d20401bdbe31e1e4fdee5b9f98d5d31dfda",
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-            "version": "==2018.4"
+            "version": "==2019.1"
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         "raven": {
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-                "sha256:95aecf76c414facaddbb056f3e98c7936318123e467728f2e50b3a66b65a6ef7"
+            "extras": [
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-            "version": "==6.8.0"
+            "hashes": [
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+                "sha256:44a13f87670836e153951af9a3c80405d36b43097db869a36e92809673692ce4"
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-            "version": "==20.0"
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+            "editable": true,
+            "extras": [
+                "socks"
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-            "version": "==2.18.4"
+            "path": ".",
+            "version": "==2.22.0"
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+        "scandir": {
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+                "sha256:cb925555f43060a1745d0a321cca94bcea927c50114b623d73179189a4e100ac"
+            ],
+            "markers": "python_version < '3.5'",
+            "version": "==1.10.0"
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         "six": {
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-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
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-            "version": "==1.11.0"
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         "snowballstemmer": {
             "hashes": [
@@ -601,27 +681,44 @@
             "index": "pypi",
             "version": "==1.5.5"
         },
+        "toml": {
+            "hashes": [
+                "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
+                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e",
+                "sha256:f1db651f9657708513243e61e6cc67d101a39bad662eaa9b5546f789338e07a3"
+            ],
+            "version": "==0.10.0"
+        },
         "tox": {
             "hashes": [
-                "sha256:96efa09710a3daeeb845561ebbe1497641d9cef2ee0aea30db6969058b2bda2f",
-                "sha256:9ee7de958a43806402a38c0d2aa07fa8553f4d2c20a15b140e9f771c2afeade0"
+                "sha256:2a8d8a63660563e41e64e3b5b677e81ce1ffa5e2a93c2c565d3768c287445800",
+                "sha256:edfca7809925f49bdc110d0a2d9966bbf35a0c25637216d9586e7a5c5de17bfb"
             ],
             "index": "pypi",
-            "version": "==3.0.0"
+            "version": "==3.6.1"
+        },
+        "typing": {
+            "hashes": [
+                "sha256:4027c5f6127a6267a435201981ba156de91ad0d1d98e9ddc2aa173453453492d",
+                "sha256:57dcf675a99b74d64dacf6fba08fb17cf7e3d5fdff53d4a30ea2a5e7e52543d4",
+                "sha256:a4c8473ce11a65999c8f59cb093e70686b6c84c98df58c1dae9b3b196089858a"
+            ],
+            "markers": "python_version < '3.5'",
+            "version": "==3.6.6"
         },
         "urllib3": {
             "hashes": [
-                "sha256:06330f386d6e4b195fbfc736b297f58c5a892e4440e54d294d7004e3a9bbea1b",
-                "sha256:cc44da8e1145637334317feebd728bd869a35285b93cbb4cca2577da7e62db4f"
+                "sha256:a53063d8b9210a7bdec15e7b272776b9d42b2fd6816401a0d43006ad2f9902db",
+                "sha256:d363e3607d8de0c220d31950a8f38b18d5ba7c0830facd71a1c6b1036b7ce06c"
             ],
-            "version": "==1.22"
+            "version": "==1.25.2"
         },
         "virtualenv": {
             "hashes": [
-                "sha256:1d7e241b431e7afce47e77f8843a276f652699d1fa4f93b9d8ce0076fd7b0b54",
-                "sha256:e8e05d4714a1c51a2f5921e62f547fcb0f713ebbe959e0a7f585cc8bef71d11f"
+                "sha256:99acaf1e35c7ccf9763db9ba2accbca2f4254d61d1912c5ee364f9cc4a8942a0",
+                "sha256:fe51cdbf04e5d8152af06c075404745a7419de27495a83f0d72518ad50be3ce8"
             ],
-            "version": "==15.2.0"
+            "version": "==16.6.0"
         },
         "webencodings": {
             "hashes": [
@@ -632,10 +729,10 @@
         },
         "werkzeug": {
             "hashes": [
-                "sha256:c3fd7a7d41976d9f44db327260e263132466836cef6f91512889ed60ad26557c",
-                "sha256:d5da73735293558eb1651ee2fddc4d0dedcfa06538b8813a2e20011583c9e49b"
+                "sha256:865856ebb55c4dcd0630cdd8f3331a1847a819dda7e8c750d3db6f2aa6c0209c",
+                "sha256:a0b915f0815982fb2a09161cb8f31708052d0951c3ba433ccc5e1aa276507ca6"
             ],
-            "version": "==0.14.1"
+            "version": "==0.15.4"
         }
     }
 }
diff --git a/README.md b/README.md
index ee3b2bf5..41e92667 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,6 @@ Requests: HTTP for Humans™
 [![image](https://img.shields.io/github/contributors/requests/requests.svg)](https://github.com/requests/requests/graphs/contributors)
 [![image](https://img.shields.io/badge/Say%20Thanks-!-1EAEDB.svg)](https://saythanks.io/to/kennethreitz)
 
-**If you're interested in financially supporting Kenneth Reitz open source, consider [visiting this link](https://cash.me/$KennethReitz). Your support helps tremendously with sustainability of motivation, as Open Source is no longer part of my day job.**
-
 Requests is the only *Non-GMO* HTTP library for Python, safe for human
 consumption.
 
@@ -18,6 +16,7 @@ consumption.
 Behold, the power of Requests:
 
 ``` {.sourceCode .python}
+>>> import requests
 >>> r = requests.get('https://api.github.com/user', auth=('user', 'pass'))
 >>> r.status_code
 200
@@ -91,17 +90,18 @@ Fantastic documentation is available at
 How to Contribute
 -----------------
 
-1.  Check for open issues or open a fresh issue to start a discussion
+1.  Become more familiar with the project by reading our [Contributor's Guide](http://docs.python-requests.org/en/latest/dev/contributing/) and our [development philosophy](http://docs.python-requests.org/en/latest/dev/philosophy/).
+2.  Check for open issues or open a fresh issue to start a discussion
     around a feature idea or a bug. There is a [Contributor
     Friendly](https://github.com/requests/requests/issues?direction=desc&labels=Contributor+Friendly&page=1&sort=updated&state=open)
     tag for issues that should be ideal for people who are not very
     familiar with the codebase yet.
-2.  Fork [the repository](https://github.com/requests/requests) on
+3.  Fork [the repository](https://github.com/requests/requests) on
     GitHub to start making your changes to the **master** branch (or
     branch off of it).
-3.  Write a test which shows that the bug was fixed or that the feature
+4.  Write a test which shows that the bug was fixed or that the feature
     works as expected.
-4.  Send a pull request and bug the maintainer until it gets merged and
+5.  Send a [pull request](https://help.github.com/en/articles/creating-a-pull-request-from-a-fork) and bug the maintainer until it gets merged and
     published. :) Make sure to add yourself to
     [AUTHORS](https://github.com/requests/requests/blob/master/AUTHORS.rst).
 
diff --git a/docs/_templates/sidebarintro.html b/docs/_templates/sidebarintro.html
index 6bfc5cef..319954d1 100644
--- a/docs/_templates/sidebarintro.html
+++ b/docs/_templates/sidebarintro.html
@@ -8,6 +8,27 @@
   <iframe src="https://ghbtns.com/github-btn.html?user=requests&repo=requests&type=watch&count=true&size=large"
     allowtransparency="true" frameborder="0" scrolling="0" width="200px" height="35px"></iframe>
 </p>
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.css" />
+<style>
+.algolia-autocomplete{
+  width: 100%;
+  height: 1.5em
+}
+.algolia-autocomplete a{
+  border-bottom: none !important;
+}
+#doc_search{
+  width: 100%;
+  height: 100%;
+}
+</style>
+<input id="doc_search" placeholder="Search the doc" autofocus/>
+<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js" onload="docsearch({
+  apiKey: 'f177061e2354c50a97bfc635e827ffab',
+  indexName: 'python-requests',
+  inputSelector: '#doc_search',
+  debug: false // Set debug to true if you want to inspect the dropdown
+})" async></script>
 
 <p>
   Requests is an elegant and simple HTTP library for Python, built for
@@ -30,6 +51,7 @@
 
 <p>More <a href="https://www.kennethreitz.org/">Kenneth Reitz</a> projects:</p>
 <ul>
+    <li><a href="http://open-dsm-5.org/">Open DSM-5M</a></li>
     <li><a href="https://html.python-requests.org/">Requests-HTML</a></li>
     <li><a href="http://howtopython.org/">howtopython.org</a></li>
     <li><a href="http://pipenv.org/">pipenv</a></li>
diff --git a/docs/_templates/sidebarlogo.html b/docs/_templates/sidebarlogo.html
index 7fe26493..d244c2b7 100644
--- a/docs/_templates/sidebarlogo.html
+++ b/docs/_templates/sidebarlogo.html
@@ -7,7 +7,27 @@
 <iframe src="https://ghbtns.com/github-btn.html?user=requests&repo=requests&type=watch&count=true&size=large"
   allowtransparency="true" frameborder="0" scrolling="0" width="200px" height="35px"></iframe>
 </p>
-
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.css" />
+<style>
+.algolia-autocomplete{
+  width: 100%;
+  height: 1.5em
+}
+.algolia-autocomplete a{
+  border-bottom: none !important;
+}
+#doc_search{
+  width: 100%;
+  height: 100%;
+}
+</style>
+<input id="doc_search" placeholder="Search the doc" autofocus/>
+<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js" onload="docsearch({
+  apiKey: 'f177061e2354c50a97bfc635e827ffab',
+  indexName: 'python-requests',
+  inputSelector: '#doc_search',
+  debug: false // Set debug to true if you want to inspect the dropdown
+})" async></script>
 
 <p>
   Requests is an elegant and simple HTTP library for Python, built for
@@ -36,6 +56,7 @@
 
 <p>More <a href="https://www.kennethreitz.org/">Kenneth Reitz</a> projects:</p>
 <ul>
+    <li><a href="http://open-dsm-5.org/">Open DSM-5M</a></li>
     <li><a href="https://html.python-requests.org/">Requests-HTML</a></li>
     <li><a href="http://howtopython.org/">howtopython.org</a></li>
     <li><a href="http://pipenv.org/">pipenv</a></li>
diff --git a/docs/conf.py b/docs/conf.py
index fb10abdb..eb556a81 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -18,11 +18,11 @@ import os
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-#sys.path.insert(0, os.path.abspath('.'))
+# sys.path.insert(0, os.path.abspath('.'))
 
 # Insert Requests' path into the system.
-sys.path.insert(0, os.path.abspath('..'))
-sys.path.insert(0, os.path.abspath('_themes'))
+sys.path.insert(0, os.path.abspath(".."))
+sys.path.insert(0, os.path.abspath("_themes"))
 
 import requests
 
@@ -30,36 +30,36 @@ import requests
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
-#needs_sphinx = '1.0'
+# needs_sphinx = '1.0'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.intersphinx',
-    'sphinx.ext.todo',
-    'sphinx.ext.viewcode',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.todo",
+    "sphinx.ext.viewcode",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 # source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The encoding of source files.
-#source_encoding = 'utf-8-sig'
+# source_encoding = 'utf-8-sig'
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'Requests'
-copyright = u'MMXVIII. A <a href="http://kennethreitz.com/pages/open-projects.html">Kenneth Reitz</a> Project'
-author = u'Kenneth Reitz'
+project = u"Requests"
+copyright = u'MMXVIX. A <a href="http://kennethreitz.com/pages/open-projects.html">Kenneth Reitz</a> Project'
+author = u"Kenneth Reitz"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -79,17 +79,17 @@ language = None
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
-#today = ''
+# today = ''
 # Else, today_fmt is used as the format for a strftime call.
-#today_fmt = '%B %d, %Y'
+# today_fmt = '%B %d, %Y'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-exclude_patterns = ['_build']
+exclude_patterns = ["_build"]
 
 # The reST default role (used for this markup: `text`) to use for all
 # documents.
-#default_role = None
+# default_role = None
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = False
@@ -100,16 +100,16 @@ add_module_names = True
 
 # If true, sectionauthor and moduleauthor directives will be shown in the
 # output. They are ignored by default.
-#show_authors = False
+# show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'flask_theme_support.FlaskyStyle'
+pygments_style = "flask_theme_support.FlaskyStyle"
 
 # A list of ignored prefixes for module index sorting.
-#modindex_common_prefix = []
+# modindex_common_prefix = []
 
 # If true, keep warnings as "system message" paragraphs in the built documents.
-#keep_warnings = False
+# keep_warnings = False
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
@@ -119,52 +119,52 @@ todo_include_todos = True
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'alabaster'
+html_theme = "alabaster"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
 html_theme_options = {
-    'show_powered_by': False,
-    'github_user': 'requests',
-    'github_repo': 'requests',
-    'github_banner': True,
-    'show_related': False,
-    'note_bg': '#FFF59C'
+    "show_powered_by": False,
+    "github_user": "requests",
+    "github_repo": "requests",
+    "github_banner": True,
+    "show_related": False,
+    "note_bg": "#FFF59C",
 }
 
 # Add any paths that contain custom themes here, relative to this directory.
-#html_theme_path = []
+# html_theme_path = []
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
-#html_title = None
+# html_title = None
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
-#html_short_title = None
+# html_short_title = None
 
 # The name of an image file (relative to this directory) to place at the top
 # of the sidebar.
-#html_logo = None
+# html_logo = None
 
 # The name of an image file (within the static path) to use as favicon of the
 # docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
-#html_favicon = None
+# html_favicon = None
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
 # directly to the root of the documentation.
-#html_extra_path = []
+# html_extra_path = []
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
+# html_last_updated_fmt = '%b %d, %Y'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
@@ -172,24 +172,29 @@ html_use_smartypants = False
 
 # Custom sidebar templates, maps document names to template names.
 html_sidebars = {
-    'index':    ['sidebarintro.html', 'sourcelink.html', 'searchbox.html',
-                 'hacks.html'],
-    '**':       ['sidebarlogo.html', 'localtoc.html', 'relations.html',
-                 'sourcelink.html', 'searchbox.html', 'hacks.html']
+    "index": ["sidebarintro.html", "sourcelink.html", "searchbox.html", "hacks.html"],
+    "**": [
+        "sidebarlogo.html",
+        "localtoc.html",
+        "relations.html",
+        "sourcelink.html",
+        "searchbox.html",
+        "hacks.html",
+    ],
 }
 
 # Additional templates that should be rendered to pages, maps page names to
 # template names.
-#html_additional_pages = {}
+# html_additional_pages = {}
 
 # If false, no module index is generated.
-#html_domain_indices = True
+# html_domain_indices = True
 
 # If false, no index is generated.
-#html_use_index = True
+# html_use_index = True
 
 # If true, the index is split into individual pages for each letter.
-#html_split_index = False
+# html_split_index = False
 
 # If true, links to the reST sources are added to the pages.
 html_show_sourcelink = False
@@ -203,84 +208,77 @@ html_show_copyright = True
 # If true, an OpenSearch description file will be output, and all pages will
 # contain a <link> tag referring to it.  The value of this option must be the
 # base URL from which the finished HTML is served.
-#html_use_opensearch = ''
+# html_use_opensearch = ''
 
 # This is the file name suffix for HTML files (e.g. ".xhtml").
-#html_file_suffix = None
+# html_file_suffix = None
 
 # Language to be used for generating the HTML full-text search index.
 # Sphinx supports the following languages:
 #   'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja'
 #   'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr'
-#html_search_language = 'en'
+# html_search_language = 'en'
 
 # A dictionary with options for the search language support, empty by default.
 # Now only 'ja' uses this config value
-#html_search_options = {'type': 'default'}
+# html_search_options = {'type': 'default'}
 
 # The name of a javascript file (relative to the configuration directory) that
 # implements a search results scorer. If empty, the default will be used.
-#html_search_scorer = 'scorer.js'
+# html_search_scorer = 'scorer.js'
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'Requestsdoc'
+htmlhelp_basename = "Requestsdoc"
 
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
-# The paper size ('letterpaper' or 'a4paper').
-#'papersize': 'letterpaper',
-
-# The font size ('10pt', '11pt' or '12pt').
-#'pointsize': '10pt',
-
-# Additional stuff for the LaTeX preamble.
-#'preamble': '',
-
-# Latex figure (float) alignment
-#'figure_align': 'htbp',
+    # The paper size ('letterpaper' or 'a4paper').
+    #'papersize': 'letterpaper',
+    # The font size ('10pt', '11pt' or '12pt').
+    #'pointsize': '10pt',
+    # Additional stuff for the LaTeX preamble.
+    #'preamble': '',
+    # Latex figure (float) alignment
+    #'figure_align': 'htbp',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'Requests.tex', u'Requests Documentation',
-     u'Kenneth Reitz', 'manual'),
+    (master_doc, "Requests.tex", u"Requests Documentation", u"Kenneth Reitz", "manual")
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+# latex_logo = None
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.
-#latex_use_parts = False
+# latex_use_parts = False
 
 # If true, show page references after internal links.
-#latex_show_pagerefs = False
+# latex_show_pagerefs = False
 
 # If true, show URL addresses after external links.
-#latex_show_urls = False
+# latex_show_urls = False
 
 # Documents to append as an appendix to all manuals.
-#latex_appendices = []
+# latex_appendices = []
 
 # If false, no module index is generated.
-#latex_domain_indices = True
+# latex_domain_indices = True
 
 
 # -- Options for manual page output ---------------------------------------
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [
-    (master_doc, 'requests', u'Requests Documentation',
-     [author], 1)
-]
+man_pages = [(master_doc, "requests", u"Requests Documentation", [author], 1)]
 
 # If true, show URL addresses after external links.
-#man_show_urls = False
+# man_show_urls = False
 
 
 # -- Options for Texinfo output -------------------------------------------
@@ -289,22 +287,28 @@ man_pages = [
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'Requests', u'Requests Documentation',
-     author, 'Requests', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "Requests",
+        u"Requests Documentation",
+        author,
+        "Requests",
+        "One line description of project.",
+        "Miscellaneous",
+    )
 ]
 
 # Documents to append as an appendix to all manuals.
-#texinfo_appendices = []
+# texinfo_appendices = []
 
 # If false, no module index is generated.
-#texinfo_domain_indices = True
+# texinfo_domain_indices = True
 
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
-#texinfo_show_urls = 'footnote'
+# texinfo_show_urls = 'footnote'
 
 # If true, do not generate a @detailmenu in the "Top" node's menu.
-#texinfo_no_detailmenu = False
+# texinfo_no_detailmenu = False
 
 
 # -- Options for Epub output ----------------------------------------------
@@ -316,67 +320,67 @@ epub_publisher = author
 epub_copyright = copyright
 
 # The basename for the epub file. It defaults to the project name.
-#epub_basename = project
+# epub_basename = project
 
 # The HTML theme for the epub output. Since the default themes are not
 # optimized for small screen space, using the same theme for HTML and epub
 # output is usually not wise. This defaults to 'epub', a theme designed to save
 # visual space.
-#epub_theme = 'epub'
+# epub_theme = 'epub'
 
 # The language of the text. It defaults to the language option
 # or 'en' if the language is not set.
-#epub_language = ''
+# epub_language = ''
 
 # The scheme of the identifier. Typical schemes are ISBN or URL.
-#epub_scheme = ''
+# epub_scheme = ''
 
 # The unique identifier of the text. This can be a ISBN number
 # or the project homepage.
-#epub_identifier = ''
+# epub_identifier = ''
 
 # A unique identification for the text.
-#epub_uid = ''
+# epub_uid = ''
 
 # A tuple containing the cover image and cover page html template filenames.
-#epub_cover = ()
+# epub_cover = ()
 
 # A sequence of (type, uri, title) tuples for the guide element of content.opf.
-#epub_guide = ()
+# epub_guide = ()
 
 # HTML files that should be inserted before the pages created by sphinx.
 # The format is a list of tuples containing the path and title.
-#epub_pre_files = []
+# epub_pre_files = []
 
 # HTML files that should be inserted after the pages created by sphinx.
 # The format is a list of tuples containing the path and title.
-#epub_post_files = []
+# epub_post_files = []
 
 # A list of files that should not be packed into the epub file.
-epub_exclude_files = ['search.html']
+epub_exclude_files = ["search.html"]
 
 # The depth of the table of contents in toc.ncx.
-#epub_tocdepth = 3
+# epub_tocdepth = 3
 
 # Allow duplicate toc entries.
-#epub_tocdup = True
+# epub_tocdup = True
 
 # Choose between 'default' and 'includehidden'.
-#epub_tocscope = 'default'
+# epub_tocscope = 'default'
 
 # Fix unsupported image types using the Pillow.
-#epub_fix_images = False
+# epub_fix_images = False
 
 # Scale large images.
-#epub_max_image_width = 0
+# epub_max_image_width = 0
 
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
-#epub_show_urls = 'inline'
+# epub_show_urls = 'inline'
 
 # If false, no index is generated.
-#epub_use_index = True
+# epub_use_index = True
 
 intersphinx_mapping = {
-    'python': ('https://docs.python.org/3/', None),
-    'urllib3': ('https://urllib3.readthedocs.io/en/latest', None),
+    "python": ("https://docs.python.org/3/", None),
+    "urllib3": ("https://urllib3.readthedocs.io/en/latest", None),
 }
diff --git a/docs/dev/contributing.rst b/docs/dev/contributing.rst
index d1171cb9..434dc565 100644
--- a/docs/dev/contributing.rst
+++ b/docs/dev/contributing.rst
@@ -130,7 +130,14 @@ the Requests codebase::
     foo = long_function_name(var_one, var_two,
                              var_three, var_four)
 
-No. Just don't. Please.
+No. Just don't. Please. This is much better::
+
+    foo = long_function_name(
+        var_one,
+        var_two,
+        var_three,
+        var_four,
+    )
 
 Docstrings are to follow the following syntaxes::
 
diff --git a/docs/index.rst b/docs/index.rst
index 9e946dae..f44340b7 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -28,12 +28,7 @@ Release v\ |version|. (:ref:`Installation <install>`)
 **Requests** is the only *Non-GMO* HTTP library for Python, safe for human
 consumption.
 
-.. note:: The use of **Python 3** is *highly* preferred over Python 2. Consider upgrading your applications and infrastructure if you find yourself *still* using Python 2 in production today. If you are using Python 3, congratulations — you are indeed a person of excellent taste.
-  —*Kenneth Reitz*
-  
-  
-If you're interested in financially supporting Kenneth Reitz open source, consider visiting  `this link <https://cash.me/kennethreitz>`_. Your support helps tremendously with sustainability of motivation, as Open Source is no longer part of my day job.
-
+.. note:: **Requests 2.x** is officially in *maintenance-mode only*. This means we only respond to CVE-level tickets. All of our limited available attention / energy is being allocated towards the development of `Requests III <https://3.python-requests.org/>`_. Technical contributions are welcome!
 
 -------------------
 
diff --git a/docs/user/advanced.rst b/docs/user/advanced.rst
index 9bad3909..fce37dc4 100644
--- a/docs/user/advanced.rst
+++ b/docs/user/advanced.rst
@@ -193,7 +193,7 @@ When you are using the prepared request flow, keep in mind that it does not take
 This can cause problems if you are using environment variables to change the behaviour of requests.
 For example: Self-signed SSL certificates specified in ``REQUESTS_CA_BUNDLE`` will not be taken into account.
 As a result an ``SSL: CERTIFICATE_VERIFY_FAILED`` is thrown.
-You can get around this behaviour by explicity merging the environment settings into your session::
+You can get around this behaviour by explicitly merging the environment settings into your session::
 
     from requests import Request, Session
 
@@ -976,11 +976,12 @@ response at a time. However, these calls will still block.
 
 If you are concerned about the use of blocking IO, there are lots of projects
 out there that combine Requests with one of Python's asynchronicity frameworks.
-Some excellent examples are `requests-threads`_, `grequests`_,  and `requests-futures`_.
+Some excellent examples are `requests-threads`_, `grequests`_, `requests-futures`_, and `requests-async`_.
 
 .. _`requests-threads`: https://github.com/requests/requests-threads
 .. _`grequests`: https://github.com/kennethreitz/grequests
 .. _`requests-futures`: https://github.com/ross/requests-futures
+.. _`requests-async`: https://github.com/encode/requests-async
 
 Header Ordering
 ---------------
diff --git a/docs/user/quickstart.rst b/docs/user/quickstart.rst
index f47903cf..ca95a020 100644
--- a/docs/user/quickstart.rst
+++ b/docs/user/quickstart.rst
@@ -560,3 +560,6 @@ All exceptions that Requests explicitly raises inherit from
 -----------------------
 
 Ready for more? Check out the :ref:`advanced <advanced>` section.
+
+
+If you're on the job market, consider taking `this programming quiz <https://triplebyte.com/a/b1i2FB8/requests-docs-1>`_. A substantial donation will be made to this project, if you find a job through this platform.
diff --git a/requests/__init__.py b/requests/__init__.py
index bc168ee5..9a899df6 100644
--- a/requests/__init__.py
+++ b/requests/__init__.py
@@ -57,10 +57,10 @@ def check_compatibility(urllib3_version, chardet_version):
     # Check urllib3 for compatibility.
     major, minor, patch = urllib3_version  # noqa: F811
     major, minor, patch = int(major), int(minor), int(patch)
-    # urllib3 >= 1.21.1, <= 1.24
+    # urllib3 >= 1.21.1, <= 1.25
     assert major == 1
     assert minor >= 21
-    assert minor <= 24
+    assert minor <= 25
 
     # Check chardet for compatibility.
     major, minor, patch = chardet_version.split('.')[:3]
diff --git a/requests/__version__.py b/requests/__version__.py
index f5b5d036..9844f740 100644
--- a/requests/__version__.py
+++ b/requests/__version__.py
@@ -5,10 +5,10 @@
 __title__ = 'requests'
 __description__ = 'Python HTTP for Humans.'
 __url__ = 'http://python-requests.org'
-__version__ = '2.21.0'
-__build__ = 0x022100
+__version__ = '2.22.0'
+__build__ = 0x022200
 __author__ = 'Kenneth Reitz'
 __author_email__ = 'me@kennethreitz.org'
 __license__ = 'Apache 2.0'
-__copyright__ = 'Copyright 2018 Kenneth Reitz'
+__copyright__ = 'Copyright 2019 Kenneth Reitz'
 __cake__ = u'\u2728 \U0001f370 \u2728'
diff --git a/requests/api.py b/requests/api.py
index ef71d075..232b01d9 100644
--- a/requests/api.py
+++ b/requests/api.py
@@ -16,7 +16,7 @@ from . import sessions
 def request(method, url, **kwargs):
     """Constructs and sends a :class:`Request <Request>`.
 
-    :param method: method for the new :class:`Request` object.
+    :param method: method for the new :class:`Request` object: ``GET``, ``OPTIONS`, ``HEAD``, ``POST``, ``PUT``, ``PATCH``, or ``DELETE``.
     :param url: URL for the new :class:`Request` object.
     :param params: (optional) Dictionary, list of tuples or bytes to send
         in the query string for the :class:`Request`.
@@ -92,7 +92,9 @@ def head(url, **kwargs):
     r"""Sends a HEAD request.
 
     :param url: URL for the new :class:`Request` object.
-    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :param \*\*kwargs: Optional arguments that ``request`` takes. If
+        `allow_redirects` is not provided, it will be set to `False` (as
+        opposed to the default :meth:`request` behavior).
     :return: :class:`Response <Response>` object
     :rtype: requests.Response
     """
diff --git a/requests/auth.py b/requests/auth.py
index bdde51c7..34e7c8b8 100644
--- a/requests/auth.py
+++ b/requests/auth.py
@@ -50,7 +50,7 @@ def _basic_auth_str(username, password):
             "Non-string passwords will no longer be supported in Requests "
             "3.0.0. Please convert the object you've passed in ({!r}) to "
             "a string or bytes object in the near future to avoid "
-            "problems.".format(password),
+            "problems.".format(type(password)),
             category=DeprecationWarning,
         )
         password = str(password)
diff --git a/setup.py b/setup.py
index 10ce2c62..3dce2965 100755
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ packages = ['requests']
 requires = [
     'chardet>=3.0.2,<3.1.0',
     'idna>=2.5,<2.9',
-    'urllib3>=1.21.1,<1.25',
+    'urllib3>=1.21.1,<1.26,!=1.25.0,!=1.25.1',
     'certifi>=2017.4.17'
 
 ]
@@ -79,7 +79,7 @@ setup(
     package_data={'': ['LICENSE', 'NOTICE'], 'requests': ['*.pem']},
     package_dir={'requests': 'requests'},
     include_package_data=True,
-    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
+    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*",
     install_requires=requires,
     license=about['__license__'],
     zip_safe=False,
@@ -92,7 +92,6 @@ setup(
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
diff --git a/tox.ini b/tox.ini
index de68e90d..99c87ced 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py34,py35,py36,py37
+envlist = py27,py35,py36,py37
 
 [testenv]