Merge branch 'release/0.9.10.1'
Merge tag '0.9.10.1' into develop

Added cancelRequestsForURL: method; Executing fail blocks if download operations haven't been started due to cancel state; Code cleanup
Added TODO comment describing a broken concept; Changed call to NSLog to AFLog
Cleaned code
Added deprecated API category with two initials methods; All deprecated methods should go to this category to avoid clumsy code in AFCache implementation
Set version to 0.10 as API has been modified during last commits
Merge branch 'develop'