Refactor if statements to fix 'NoneType' Error
Remove pattern from mutually_exclusive_group
Merge branch 'bugfix'
Bump to version 0.8.1
Refactor shell calls
Make grep case insensitive
Change variable name and add argument reference
Fix typo
Refactor versioned file lookup/setting
Fix conditional logic
Remove exception logging
Fix git tag parsing
Reformat coding style
Bump to version 0.9.0
Merge branch 'features'