new cursors and fixes
- added new X crosshair cursors under CTRL ALT 4
- added more cursor sizes. now between 16 and 128 with 8 pixel increments.
- improved quality of existing cursors
- fixed restoring original cursor when closing YM for some apps
- reduced chance of special windows hotkeys like CTRL ALT DEL accidentally triggering cursor hotkeys
- prevented hotkeys from getting queued up due to lag and causing unwanted hotkey assignements