rs/SDWebImage — pull request #368 by croath (2013-04-24 07:06:20+00:00)
Title: Fixed bugs when delegates add/cancel requests from delegate callbacks

a bug fixed according to the pr -> https://github.com/rs/SDWebImage/pull/139

it has not been merged for brach 2.0-compat. It will cause into a terrible crash, as still so many apps need to support 4.x devices. Check it pls.