RELP-num

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

Depender (with downloads and own rev deps)			RELP-num version
160	1	relp		^0.1.13
		relp-bin		^0.1.10
	2	index-utils	dev	^0.1.12