checkpoint 0.1

subsequent commits will be converting the gemstone patches and subsystems to be symbol dictionary based ... tag this point to easily return to a point where class extensions were not functional in RwLoadingTest (using patch objects) while RwSymbolDictionaryTest is passing and has a working implementation for class extensions- but this work is isolated to direct manipulation of symbol dictionary ... need to go to full blown and see how symbol dictionary implementation stands up to use in full-blown patches ... if I end with a clean implementation then the symbolDictionary approach will most likely be viable ...