checksums

checksums is used at run time in 5 crates. It's used at build time in 1 crate.

Number of dependers	checksums version	Downloads/month
4	0.9.1	2.1K
1	0.7.1	21
1	0.5.5	93

Depender			checksums version
		avra-rs	build	^0.9
		csum		=0.9.1
		bitslides		^0.9.1
		tarsum		^0.7.0
		tmpshare		^0.5.5
		cramino		^0.9.1