Xe updates:
* [Xe] Modified Cartridge / Floppy Disk / Memory Card behavior
* [Xe] Modified D-Button behavior
* [Xe] Modified dialog behavior when in fullscreen mode
* [Xe] Implemented Mouse support
* [Xe] Implemented options to load entire CD Image into memory
* [Xe] Implemented command line options to explicitly load images
* [Xe] Misc clean ups and fixes
* [Xe] Fixed fullscreen resizing (Thanks to F1ReB4LL)
* [Xe/Linux] Fixed fullscreen offsets on secondary heads
* [Xe/Linux] Fixed improper joystick button clearing
* [Xe/Linux] Xe For x86-64
* [SG-1000] Implemented Card Catcher support
* [Mark III] Fixed save state loading
* [Mark III] Implemented Card Slot support
* [PC Engine] Fixed Arcade Card RAM access
* [PC Engine] Fixed 6-button Pad access
* [PC Engine] Implemented Mouse support
* [Mega Drive] Fixed Cartridge insertion algorithm
* [Mega Drive] Fixed 6-button Pad access
* [Mega Drive] Fixed Multi-Tap Access
* [Mega Drive] Implemented Mouse support
* [Super Famicom] Implemented Mouse support
Site updates:
* Updated Manual with changes.
* Updated Status section with new FM Marty screen shots.
* Updated download section with new Linux x86-64 binaries.
