CSRF

CSRF is used at run time in 7 crates (of which 2 optionally). It is a direct run-time dependency in 3 crates.

Number of dependers	CSRF version	Downloads/month
5	0.5.0	200
2	0.4.1	500

Depender (with downloads and own rev deps)			CSRF version
91K	85	poem	optional	^0.5.0
		iron-csrf		^0.4
		tide-csrf		^0.4.1