added KVO tests
added KVO tests to xCode project
NSXMLNode: fix
KVO reimplementation stub
KVO does not perform isa-swizzling unless it's absolutely necessary
KVO: fixes and tests for automatic notification
appropriate xCode project changes
KVO: code and tests for container change notification
KVO: fixes
KVO: final cleanup
Merge branch 'KVO' into dev
KVO reimplemented, complete, reference-compatible.
NSProxy: same hash function as in NSObject
SOCKS support: removed code unrelated to CONNECT method
NSInvocation (x84_64): minor cleanup
KVC: critical fix
type encoding support: cleanup
SOCKS support: copyright disclaimers
makefile fix
NSKVONotifying: supports runtimes lacking objc_msgSendSuper()
do not use __attribute__((constructor)) to initalize KVO (doesn't work on linux)