thought of a better way to do the _P -> __P and _S -> __S conversion (simply make a new file x6502abbrev.h that has _P and _S defined in it which is to be included last in any file that needs it)
fix some memory leaks by changing the path generation APIs to return std::string.. but it still gets strdupped by a lot of clients.
switch over more movie and savestate code to use iostreams instead of stdio
remove the temporary savestate stuff for more tasing speed hopefully