documented workaround for frameworks that extend optional libraries
Added method to SDWebImageManager to check if an image exists in either the disk OR the memory cache
Create NSOperation when start operation.
Method getDiskCount returns NSUInteger.
Overload -setImageWithURL to delay setting of placeholder image until after loading
Moved the delay placeholder flag to SDWebImageOptions
Updated bitwise operator to correctly find option if more than 1 are included
Wrapped placeholder check in parens to work with bitwise
Adds -[SDWebImageManager saveImageToCache:forURL:] method
#725 adding completition block when removing image from cache, added an extra method so we don't break compatibility with older versions
add a suspension method to image downloaders
Merge pull request #734 from soundcloud/master

add a suspension method to image downloaders
If NSURLConnection response statusCode not valid (e.g. 404) , downloader never stops its runloop and hangs the operation queue
Merge pull request #735 from nickhingston/pullRequestBranch

If NSURLConnection response statusCode not valid (e.g. 404) , downloader...
Fix build on Xcode6
Merge pull request #737 from openresearch/master

Fix build on Xcode6
Synthesize `executing` and `finished` properties.

It wouldn't build on Xcode 6 otherwise.
Fix getter names. Fixes commit: 097b502eae

The getters of the properties “executing” and
“finished” both use custom getter names.

097b502eae implemented the wrong getter names
without the “is” prefix.
Merge pull request #742 from openresearch/master

Fix getter names. Fixes commit: 097b502eae
fixed SDWebImageRefreshCached bug for large images
Merge pull request #741 from martinblech/master

Synthesize `executing` and `finished` properties.