Fixing comparison methods

Fixed completely stupid mistake in coding , and added/fixed tests to
check for it.
Removing complete useless code
Reducing duplicated code
Making regex more like Node SemVer
Add SemVer.clean method

Make regex less strict and remove duplicated tests.
Add .sublime-project file with build and ignore .sublime-workspace
Adding code to remove comments
Merge remote-tracking branch 'zchrykng/master'

Conflicts:
	semver.py