Synthetic/SYCache — pull request #1 by insanehunter (2012-05-16 18:04:18+00:00)
Title: Added missing `-imageExistsForKey:` method

Hi. I've added an `-imageExistsForKey:` method to `UIImageAdditions` category to check if the image is in cache.

(Sorry for two separate commits, I've done them in web editor).