Quicksort

Quicksort is used at run time in 1 crate. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps)			Quicksort version
		geoshaper		^1.1.0
	1	rust_quicksort	dev	^1.0.0
	1	rdxsort	dev	^1.0.0