Merge pull request #4 from grtfou/raptor-bugfixing

Edit: add requests
Merge pull request #5 from grtfou/raptor-bugfixing

Enhance: Support py3 encoding
Add: requirements file
Add: Travis CI script
Edit: Travis CI script
Edit: Travis CI script
Edit: Travis CI script
Edit: Travis CI script
Edit: Travis CI script
Edit: Travis CI script
Fix: Requirements by typo
Edit: Travis CI script
Edit: Travis CI script
Fix: Requirements by typo
Edit: Travis CI script
Edit: Travis CI script
Edit: Travis CI script
Edit: Travis CI script
Edit: For Travis CI test
Edit: For Travis CI test