Fixed GHUnit tests.
Added appledoc target. Minimal documentation added to some classes.
Documentation.
Removed unused code.
@throw NSInvalidArgumentException when initializing OCSquirrelObjectImpl with nil VM.
@throw NSInvalidArgumentException when calling -setTop: with negative value.
Updated documentation for top property of OCSquirrelVMStack.
Push unknown Objective-C objects as OCSquirrelUserData.
OCSquirrelUserData documentation. Tests for OCSquirrelUserData public API.
Documentation for OCSquirrelTable.
Ignore .m files and private classes in appledoc.
More tests and documentation for OCSquirrelTable.