basic feature command
bad copy paste...
(WIP) added methods to git_tools using GitPython, using new methods in feature.py, needs testing
better formating on error message
tested, it works
Merge pull request #2 from evansde77/feature-command

merged #2
Merge pull request #3 from evansde77/release-new

finish cirrus release new command
add utils to update relnotes based on config
add unittests for release new