Fix: setExitWeight won't accept invalid exits for setting room weights.
Bug Fix: getExitStubs returns correctly if no stubs defined.
Fix: setExitWeight won't accept invalid exits for setting room weights.
Initial Test for zippable modules.
Images/sounds/etc now zip as well.
Merge branch 'master' into zipModules
Merge branch 'master' into zipModules

Conflicts:
	src/TLuaInterpreter.cpp
Merge branch 'mudletDev' into zipModules