More Puzzles and Subset Scramblers

Megaminx, Pyraminx, Clock, Skewb, 8x8.

3x3 subsets: RU, MU, LL, LS+LL, ZB.

k4 scrambles

[MLSTRM]

Mega should be easy enough to add. Clock aswell. Pyraminx skewb could be easy, but it depends if random state is wanted. 8x8 should again be easy. also RU/MU 3x3 scrambles are pretty simple.
I'll probably do 1/2 of these quite soon