gifski

gifski is used at run time in 3 crates.

Number of dependers	gifski version	Downloads/month
2	1.5.1	400
0	1.4.3	1.2K
1	0.8.7	100

Depender			gifski version
		dcc-lsystem	optional	^1.0
		menyoki	optional	^1.5.0
		pollock		^0.8