All classes (excluding the ones prefixed with underscores) in Foundation
and AppKit can now be loaded individually except CPOpenPanel and
CPSavePanel. These two classes have some sort of dependency cycle
that seems impossible to resolve without forward declarations (which
we don't have).
- added tests for componentsSeparatedByCharactersInSet:
- ensured Cocoa compatibility of componentsSeparatedByCharactersInSet:
- added new test for CPString boolValue
- fixed CPString boolValue (" ++01" should return NO as in Cocoa, previously it returned YES)