fsutils

fsutils is used at run time in 3 crates. It's used only as a dev dependency in 4 crates.

Depender (with downloads and own rev deps)			fsutils version
		listen		^0.1.0
		lilypond		^0.1.2
		bookit		^0.1.7
430		sodg	dev	^0.1.7
		sot	dev	^0.1.7
		reo	dev	^0.1.7
		safe-mac-cli	dev	^0.1.7