Version/tag names

[lukaszb]

Version number is tracked at {{{ vcs/init.py }}} but tags don't need full name - first 3 parts are enough ({{{ 0.1.1 }}} rather than {{{ 0.1.1-beta }}}).

Same with version at {{{ setup.py }}} - status (alpha/beta/stable) is resolved by distutils' "classifiers" ({{{Development Status :: 4 - Beta}}} etc.).

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Reference: https://bitbucket.org/marcinkuzminski/vcs/issues/2/