begin adding perlinNoise() function
updates to flxrandom
flxrandom: use int64 for js
use float math instead of int64
fix math for js, flash, and cpp, but still broken for neko
fixes for Neko, see changelog
fix for FlxMath change, improvements in FlxRandom
changes per @gama11
neko float fix
fix recording bug, use currentseed instead of internalseed
allow FlxMath.bound to accept Float or Int
fix FlxMath.bound()`
undo broken changes to flxmath
update bound checks with generic function
Merge pull request #1148 from steverichey/dev

Update FlxRandom, see #1146