Added distribution code to simplify the handoff between scripts when one ends.
Stabilised handoff.
Removed prints.
Upped "MASTER" IDs from 26 to 117.  And some cleanups.
Moved a define out a conditional.  USE CODE COLLAPSING!
Dropped down again to 64 masters only.
Added slot parameter to Command_Add
y_commands compiles at least...
y_commands working again.
y_hooks tests updated to the new semantics to pass.
Added conflict detection to y_master.
Made y_commands tests work with y_groups.
Fixed y_groups compilation errors with various masters.
Added "Command_GetCurrent".
Fixed a bad bug with some command lengths.
Cleanup.
Hash Map regression tests.
Fixed a crash in Command_GetDisplayNamed.
Fixed an alt command test.
Fixed "YSI_g_sHighestID" for zero commands, and used "_Command_IsActive".