add Continuous SFX and Spindash coord. flags from Sonic 3K
Add support for Mickey Mouse: Castle of Illusion

- added various commands for MM: CoI (HOLD_LOCK is still missing)
- fixed bug with empty first column in DefCmd.txt parsing
add support for Mickey Mouse: World of Illusion

- added VOL_QUICK subtypes (4-bit volume variants used in MM: WOI)
- added documentation for missing commands in Commands.txt
- split code for CF_INSTRUMENT into separate function
finish support for Mickey Mouse: Castle of Illusion

- added HOLD_LOCK (MM: CoI) and HOLD_LOCK_NEXT (preSMPS Z80, was already
  present as an alternate behaviour of the HOLD command)
- added INS_C_COI (generates PSG/ADSR envelopes from FM instrument data)
fix Mickey Mouse: Castle of Illusion support

fixed stuff I missed previously
- added Tempo "Timeout Reverse"
- fixed oversights in CFS_INS_COI
- added special hacks for PSG volume update in MM: CoI tempo mode:
  -> music PSG envelope is updated when doing SFX updates
  -> Note Stop effect does instant silence (does Envelope Off in SMS SMPS)