Midiscripter

Fixed
- Greatly increased performance of GUI widgets text autoresize
- Buttons in button selector widgets now always have same text size

Added
- Added mouse support with input and output ports and message
- Input ports `subscribe` method now has arguments to subscribe only
matching messages
- Improved message `matches` method, implemented `Not(condition)` for
matching inversion
- `KeyIn` can now supress incoming input
- `MetronomeIn` sets `bpm` and count `number` to all messages it generates
- Reworked GUI log widget. It can exclude entries based on filter now.
- Midi ports now has `name` attribute

Changed
- [BREAKING] Changed signatures for `MetronomeIn` and `GuiWidged` classes so
name/title comes first, for unification
- [BREAKING] Ports' `subscirbed_calls` renamed to `calls` for readability
- [BREAKING] Renamed `...EventType` enum names to `...Event` for less space
and readability
- [BREAKING] Subsequent ports init requires all init attrs match

Fixed
- Fixed and improved `GuiWidgetLayout`
- Fixed and improved example scripts

Added

- Linux and macOS support.
- On Linux and macOS declaration of unavailable MIDI port will create a virtual
port that show up in ports widget with `[v]` prefix.

Fixed

- MIDI port send issues
- Sending with closed port behavior
- Port re-enabling behavior
- Running starter from IPython now raises exception.

Initial release