Updated version number
Build only master and development branches
Updated reference to EPO API documentation

Reviewed the differences between 1.2.10 and 1.2.11 and we're still fine. Yay!
Updated requirements
Git ignore pyenv local file
Remove trailing white space
No need to use Travis gems anymore
Also test for pypy3
Update requirements
Try new travis configuration
Centralize test commands as make tasks
Add makefile help text
Remove rvm settings
Update documentation
Update documentation
Makefile task to convert md → rst
Workaround RST bug