Read requirements.txt for setup install_requires, keywords and classifiers added for PyPi
Merge remote-tracking branch 'track/master' into dev
Use with statement to ensure the file is closed by Python
Pass PEP8 code style check.(P.S. Some of the E501 line too long warning remain unfixed.)
Merge branch 'messense-dev' into dev
Remove empty lines in install_requires
Merge branch 'messense-dev' into dev
Update url
Update code style
Update parse configs tester
Add initsite tester
Add utils tester
Rename generator tester
Update generators tester
Use Travis CI
Fix #16 set literals not support in Python < 2.7

https://docs.python.org/dev/whatsnew/2.7.html#other-language-changes

It's a new style in Python2.7 and Python3.x
Merge upstream dev branch