AAArray,Imp

* Implement -removeObjectIdenticalTo:
AAState,Fix

* Initialize c&p varState with null mode if new stateLen is 0.
Cleanup,Tiny
TODO

* Update plan on AAState refactoring.
AAVector,Imp

* Implement exisst() for vectors.
* Complete NSString* conversion implementations.
AAState,Fix

* Fix varState to use new IDX on mixed mode.
AAState,API

* Rename varState to copyState.
AAState,Doc

* Improve planning document for refactoring.
Merge branch 'master' of ssh://git.code.sf.net/p/mus3/ap3

Conflicts:
	ap3/Foundation/AAConcreteArray.m
AAArray,Fix

* Fix missing method implementation in abstract class.
AAChunk,Fix

* Remove not so useful -entryAtIndex:, fix example.
AAArray,Imp

* Implement -setArray:
TODO,AAState

* Commit refactoring plan.
AAArray,Typo,Tiny