Gitonic

- fixed logging
- fix no branch crash when no branch is set up
- added fetch buttons
- double ESC will exit gitonic
- new hotkey Alt-c to go directly to commit tab
- added F5, F6 hotkeys for changing the active tabs
- custom formatter support
- defined under settings `formatter.json`
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- sort files in changes tab
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- git current branch in changes tab
- support for black
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- bug fix, due to corrupted local env
- double click in changes view will stage/ unstage a file
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- changes view height
- bug fix, due to corrupted local env
- bug fix, removed control-x hotkey
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- fix save settings
- set focus on commit entry after clearing fields
- expert (dev-mode) logging tab
- calling diff-tool will not switch to log tab
- icon support with
[`fontawesome`](https://github.com/FortAwesome/Font-Awesome)
and
[`pytkfaicons`](https://github.com/kr-g/pytkfaicons)
- added tooltips
- added hotkeys
- BUG fix: search only in first level of workspace folder for git folder
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