Updated patch release for 3.7.0

Updates

• bumped libwep version to 0.4.3

Features:

• implement SDWebImageDownloaderAllowInvalidSSLCertificates option - #937
• flag to transform animated images (SDWebImageTransformAnimatedImage) - #703
• allows user to override default SDWebImageDownloaderOperation - #876
• adds option to decompress images and select prefetcher queue - #996

Fixes:

• fixed #809 cancelAll crash - #838
• fixed #900 by adding a new flag SD_LOG_NONE that allows silencing the SD logs from the Prefetcher
• fixed #895 unsafe setImage in setImageWithURL: - #896
• fix NSNotificationCenter dispatch on subthreads - #987
• fix SDWebImageDownloader threading issue - #1046
• fixed duplicate failed urls are added into failedURLs - #994
• increased default maxConcurrentOperationCount, fixes #527 - #897
• handle empty urls NSArray - #929
• decoding webp, depends on source image data alpha status - #936
• fix #610 display progressive jpeg issue - #840
• the code from SDWebImageDownloaderOperation connection:didFailWithError: should match the code from connectionDidFinishLoading:. This fixes #872 - 7f39e5e
• 304 - Not Modified HTTP status code handling - #942
• cost compute fix - #941
• initialise kPNGSignatureData data - #981

Documentation

• documentation updated