New version of the Nintendo 64 emulator for Mac.

Changelog:

- sixtyforce now supports QuickLook thumbnails for game freezes.
- Fixed window redrawing problems on Leopard.
- Fixed a bug that reversed left and right audio on Intel machines.
- Fixed a bug that prevented game freezes from remembering cartridge locations.
- Fixed a bug that caused window resizing to snap awkwardly.
- Cleaned up a few things that may or may not have been causing trouble.
- Several cosmetic tweaks and improvements.