DRACI: Silence warning
MOHAWK: Use properly cased names for Riven variables
MADS: Add a sanity check in DynamicHotspots::remove()

Fixes a crash when loading outside the hut
MADS: Fix several logic bugs in scenes 102, 109 and 212
MADS: Fix bugs in SpriteSets::remove()

This fixes several crashes when sprites get erased, like for example in
death animations
MADS: Add a FIXME for scene 109
MOHAWK: Use original stack ID mapping for Riven
FULLPIPE: Implement MovGraph::genMovArr()
FULLPIPE: Implement MovGraph::freeItems()
MADS: Add synchronize in scene 401 and 402
FULLPIPE: Implement MovGraph2::freeItems()
MADS: Fix a bug in SequenceList::scan()

This resolves the FIXME in SpriteSets::remove()
MADS: Sprites aren't always cleared properly - add a FIXME
MADS: Add enums for some magic numbers in Nebular scene group 2
MADS: Clean up the Rex object IDs a bit
MADS: Replace some more magic values for inventory items and actions
MADS: Replace some more article magic numbers with their enum
MADS: Replace some magic values in scene 208 with their enums
MADS: More naming for scene 208
ZVISION: Fix out of bounds access.