[in use] label fix

Fix input number labels to correctly show when an input number is in use

Expanded sustain support

Eliminate the requirement of a device having a keyboard for participation in sustain sharing. Any device which is capable of propagating messages can now share sustain events + receive shared sustain events

Various backend fixes

v1.2.21

forwarder fix

Window update

• Change window transparency
• minimum window size
• fixed 2 drivers
• fixed xy element

Auto Update Hotfix

Add .zip to osx build for auto updates

Backend Upgrade 1.1.0

decouple project name and project file
updated docs
updated tests
remove unnecessary deps
upgrade port-manager
fix pitchbend default value
shared responsibility of managing input state in front- and back-end

Initial

First, OSX-only release