Merge pull request #25 from RookieGameDevs/requires-io-master

[requires.io] dependency update on master branch

requirements.txt

@@ -10,7 +10,7 @@ appdirs==1.4.3            # via setuptools
 argh==0.26.2              # via sphinx-autobuild, watchdog
 argparse==1.4.0           # via codecov
 args==0.1.0               # via clint
-babel==2.3.4              # via sphinx
+babel==2.4.0              # via sphinx
 clint==0.5.1              # via twine
 codecov==2.0.5
 coverage==4.3.4