ACCESS: Implemented wall checks for pathfinding
ACCESS: Some initial pathfinding bugfixes
AGOS: Give each MIDI track its own loop flag

This is needed because the MIDI resources have their own loop flag
that overrides the global one. This makes a difference for games
that use MIDI both for music and sound effects, such as (limited
to?) the floppy version of Simon the Sorcerer 1.
PRINCE: dialogImage - second memory leak fix
PRINCE: drawTransparentWithTrans - memory leak fix
ACCESS: Implement two more opcodes
ACCESS: Simplified surface creation, added drawing for scaled flipped images
ACCESS: Bugfixes for walking
ACCESS: Fix walking right
ACCESS: Implement two opcodes
ACCESS: Use a variable delay of up to 20ms instead of a fix 50ms
ACCESS: Fix z ordering of sprites on the screen
ACCESS: Implemented cmdNewRoom opcode
ACCESS: Finish moving timer flag from bool to byte based on the assembly, modify some comments and TODOs
ACCESS: Implement partially doEstablish
ACCESS: Fix for collision detection
ACCESS: Fix freeing player sprites when the scene changes
ACCESS: Added scene debugger command
ACCESS: Added initial resources and detection entry for Martian Memorandum
ACCESS: Fix room data loading for MM