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
Use of libzip instead of quazip
Initial Varible GUI: can read global namespace and display hierarchy in variable menu.
Fetching of values supported, added in display for GUI.
Cleaned up view change code, fixed source box staying open with variable window
Added: Variable creation, deletion, renaming, recasting
Partial Commit of new features for sync with SF.  Current features: Variable removal, renaming, recasting
Merge branch 'master' into libzip
Merge branch 'master' into variableGUI
Fix: numbers in tables work now, renaming fixed as well for numbered tabled
Hidden variable interface complete, basics of variable saving setup
Variable export added
Saving and loading variables completed