. Format now extensible for supporting new hardware types in the future
. Include missing items like Apple2Type, CyclesThisVideoFrame (#255)
Continue to support loading of old v1 format.
Added card save/load for:
. Mouse (#260)
. HDD (#260)
. Printer
Extended card support for:
. SSC
Other:
. Added save-state v1 struct size checks
. Create SaveState_Structs_v2.h and split out common into SaveState_Structs_common.h
. Refactor HardDisk.cpp to use imagehandle; and consolidate with Disk.cpp
. Fix Disk/HD_GetFullPathName() which wasn't always returning full pathname
. Consolidate common GetImageTitle() and move into DiskImage.cpp
