Rewrote options screen in help menu to allow for non-boolean option setting.

Conflicts:

	help.cpp
	options.h
Laying groundwork for item disassembly

Conflicts:

	iuse.cpp
	iuse.h
Item disassembly implemented.
Cleaned up item disassembly, which is now also a player activity.

Conflicts:

	crafting.cpp
	pldata.h
Fixed blunder in crafting.cpp
Made duct tape an ammo, removed the redundant bandage recipe and re-merged Kevingranade's stacking code