Merge remote-tracking branch 'origin/develop' into develop

NOTICE

@@ -1,4 +1,4 @@
-Request includes some vendorized python libraries to ease installation.
+Requests includes some vendorized python libraries to ease installation.
 
 Urllib3 License
 ===============
@@ -113,4 +113,4 @@ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

tests/test_requests.py

@@ -8,7 +8,6 @@ import sys
 import os
 sys.path.insert(0, os.path.abspath('..'))
 import json
-import os
 import unittest
 import pickle
 import tempfile