Log Message:
p5-AnyEvent-HTTP: update to 2.25.

2.25 Mon Apr 27 14:11:40 CEST 2020
	- fix incorrectly sending proxy requests to origin servers
          when reusing proxy connections (analyzed and testcase by Ivan Robert).
	- the sessionid parameter was documented as session in random
          places - fix docs and keep using sessionid in the code as before.
	- fix cookie format documentation.