enable mutex debug code
mutex fix
cleanup
fix mutex debug with conditions
fix attrib update callbacks
comment TODO fix attrib updates
fix attrib update lock
move constructors for some script vars
fix another attrib update lock problem
another attr update lock fix
comment TODO gameskin
comment TODO attrib update handling
more generic scriptvar compare
more on scriptvar compare
ScriptVarPtr_t::valueCompare
AttrDesc::compare to efficiently compare attrib values
yet another attrib update lock fix
and another attrib update lock fix