Refactor dev/rel scripts again
Add proper classifiers for setuptools
Include version.py (release-generated) for version marking
Much versioning-related fixes

- always track release version (_version.py), try peek at next at runtime
- remove .pyc before install_dev/making release
- takes care of dangling /usr/bin/gitver from setuptools
- generate proper version string for PyPI
- add new variable 'SUFFIX', 'SEP', 'COMMIT_COUNT_STR' to templates (TODO
add to docs)
Generate version number for PyPI
Better condition checking
Code layout
Add NEXT version promotion capability
Start tracking version information
Bump version to v0.2.2