3x3 restricted move subsets
- Added 3x3 restricted move scramblers
- LSE, RU, LU, RUD, and RUL
- Add aliases for common names
- 222: 2, 2x2, 2x2x2
- 333: 3, 3x3, 3x3x3
- 444: 4, 4x4, 4x4x4
- 555: 5, 5x5, 5x5x5
- sq1: square1, square-1, squan
- minx: mega, megaminx
- pyram: pyra, praminx
- lse: mu