Fix ARC gotcha
Include Reachability in the static library
Update podspec file
Add clear cache by key methods
Add .gitignore file
put in more detailed logging statement when cleaning disk cache
Use NSHashTable and their weak references for context management
Bump minimum version to 6.0 in podspec
Make podspec point to version 0.3
Add prefix to UIImageView category methods to avoid collisions
Fix Xcode 5.1 warnings