diff --git a/Pipfile.lock b/Pipfile.lock
index e845a6b..1302d9a 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -27,6 +27,20 @@
             ],
             "version": "==7.0"
         },
+        "colorama": {
+            "hashes": [
+                "sha256:05eed71e2e327246ad6b38c540c4a3117230b19679b875190486ddd2d721422d",
+                "sha256:f8ac84de7840f5b9c4e3347b3c1eaa50f7e49c2b07596221daec5edaabbd7c48"
+            ],
+            "version": "==0.4.1"
+        },
+        "decorator": {
+            "hashes": [
+                "sha256:86156361c50488b84a3f148056ea716ca587df2f0de1d34750d35c21312725de",
+                "sha256:f069f3a01830ca754ba5258fde2278454a0b5b79e0d7f5c13b3b97e57d4acff6"
+            ],
+            "version": "==4.4.0"
+        },
         "delegator.py": {
             "hashes": [
                 "sha256:814657d96b98a244c479e3d5f6e9e850ac333e85f807d6bc846e72bbb2537806",
@@ -34,6 +48,12 @@
             ],
             "version": "==0.1.1"
         },
+        "networkx": {
+            "hashes": [
+                "sha256:8311ddef63cf5c5c5e7c1d0212dd141d9a1fe3f474915281b73597ed5f1d4e3d"
+            ],
+            "version": "==2.3"
+        },
         "pexpect": {
             "hashes": [
                 "sha256:2094eefdfcf37a1fdbfb9aa090862c1a4878e5c7e0e7e7088bdb511c558e5cd1",
@@ -131,11 +151,11 @@
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:652234b6ab8f2506ae58e528b6fbcc668831d3cc758e1bc01ef438d328b68cdb",
-                "sha256:6f264986fb88042bc1f0535fa9a557e6a376cfe5679dc77caac7fe8b5d43d05f"
+                "sha256:aa18d7378b00b40847790e7c27e11673d7fed219354109d0e7b9e5b25dc3ad26",
+                "sha256:d5f18a79777f3aa179c145737780282e27b508fc8fd688cb17c7a813e8bd39af"
             ],
             "markers": "python_version < '3.8'",
-            "version": "==0.22"
+            "version": "==0.23"
         },
         "more-itertools": {
             "hashes": [
@@ -146,10 +166,10 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:a7ac867b97fdc07ee80a8058fe4435ccd274ecc3b0ed61d852d7d53055528cf9",
-                "sha256:c491ca87294da7cc01902edbe30a5bc6c4c28172b5138ab4e4aa1b9d7bfaeafe"
+                "sha256:28b924174df7a2fa32c1953825ff29c61e2f5e082343165438812f00d3a7fc47",
+                "sha256:d9551545c6d761f3def1677baf08ab2a3ca17c56879e70fecba2fc4dde4ed108"
             ],
-            "version": "==19.1"
+            "version": "==19.2"
         },
         "pkginfo": {
             "hashes": [
@@ -188,11 +208,11 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:95d13143cc14174ca1a01ec68e84d76ba5d9d493ac02716fd9706c949a505210",
-                "sha256:b78fe2881323bd44fd9bd76e5317173d4316577e7b1cddebae9136a4495ec865"
+                "sha256:813b99704b22c7d377bbd756ebe56c35252bb710937b46f207100e843440b3c2",
+                "sha256:cc6620b96bc667a0c8d4fa592a8c9c94178a1bd6cc799dbb057dfd9286d31a31"
             ],
             "index": "pypi",
-            "version": "==5.1.2"
+            "version": "==5.1.3"
         },
         "readme-renderer": {
             "hashes": [
@@ -231,25 +251,25 @@
         },
         "tqdm": {
             "hashes": [
-                "sha256:1be3e4e3198f2d0e47b928e9d9a8ec1b63525db29095cec1467f4c5a4ea8ebf9",
-                "sha256:7e39a30e3d34a7a6539378e39d7490326253b7ee354878a92255656dc4284457"
+                "sha256:abc25d0ce2397d070ef07d8c7e706aede7920da163c64997585d42d3537ece3d",
+                "sha256:dd3fcca8488bb1d416aa7469d2f277902f26260c45aa86b667b074cd44b3b115"
             ],
-            "version": "==4.35.0"
+            "version": "==4.36.1"
         },
         "twine": {
             "hashes": [
-                "sha256:b2cec0dc1ac55bd74280d257f43763cf0cf928bdcd0de0fd70be70aa1195e3b0",
-                "sha256:e37d5a73d77b095b85314dde807bfb85b580b5b9d137f5b21332f4636990d97a"
+                "sha256:630fadd6e342e725930be6c696537e3f9ccc54331742b16245dab292a17d0460",
+                "sha256:a3d22aab467b4682a22de4a422632e79d07eebd07ff2a7079effb13f8a693787"
             ],
             "index": "pypi",
-            "version": "==1.14.0"
+            "version": "==1.15.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:b246607a25ac80bedac05c6f282e3cdaf3afb65420fd024ac94435cabe6e18d1",
-                "sha256:dbe59173209418ae49d485b87d1681aefa36252ee85884c31346debd19463232"
+                "sha256:2f3eadfea5d92bc7899e75b5968410b749a054b492d5a6379c1344a1481bc2cb",
+                "sha256:9c6c593cb28f52075016307fc26b0a0f8e82bc7d1ff19aaaa959b91710a56c47"
             ],
-            "version": "==1.25.3"
+            "version": "==1.25.5"
         },
         "wcwidth": {
             "hashes": [