Get SysTime in the module
Changed syntax: the MIDI hook is now called as follows:

function(time, command, parameter1, parameter2, ...)

Where time is equal to the SysTime() of the note played (works even between two frames)
Merge branch 'master' of github.com:FPtje/gmcl_midi

Conflicts:
	midi/src/gmcl_midi.cpp
Fixed implicit cast warnings