* Instrument test.
* Midi stuff
* Some more work
* This actually works now!
* update
* Midi Audio works!
* Lots of stuff, and cool interfaces for items
* Update
* Fix a few things
* It just works
* Move textures to another folder, remove placeholder description from instruments
* Fix warning
* Use renderer enum
* Instruments now use DisposeRenderer method, and send MidiEvents as they receive them. Deletes InstrumentSystem whoo.
* Fix incorrect sprite paths
* Instruments take midi file size check into account when enabling/disabling midi playback buttons
* Fix crash when pressing drop on empty hand.
* Use new renderer return values for midi/input
* Xylophones are no longer handheld instruments, fix their sprites.
* Use new API
* Remove nfluidsynth from solution
* Timing information
* Use IGameTiming.CurTime for timestamps instead
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