Zff

Zff is used at run time in 4 crates.

Number of dependers	Zff version	Downloads/month
0	3.0.0-beta.4	6
3	2.0.1	18
0	2.0.0	24
1	0.10.1	15

Depender			Zff version
		zffacquire		^2.0.1
		zffmount		^2.0.0
		zffmetareader		^0.10
		zffanalyze		^2.0.0