coco

coco is used at run time in 3 crates.

Number of dependers	coco version	Downloads/month
2	0.3.4	12
1	0.2.1	73
0	0.1.1	1.4K

Depender			coco version
		polyester		^0.3.1
		rsdb		^0.2
		cernan		^0.3