* Added secret_grade and sprint123 to map and added some icons
* Add master_g to map
* add classic_u and master_instinct and misc changes
* added big modes
* Fix some bugs on master_instinct
* fix bugs on big mode
* Simplified Grade Display
* Add Inverse Invisible mode
A mode where the locked pieces doesn't become invisible, but your active piece does.
[NOTE: I haven't added the mode to the map yet because the mode selection screen is changing]
* Renamed to Master Instinct