Code cleanup.
Merge pull request #61 from charlesmchen/master

Comment cleanup.
GCD Cleanup

 * Made agnostic of OS_OBJECT_USE_OBJC_RETAIN_RELEASE (FIXES #52)
 * Removed dependency on dispatch_get_current_queue (FIXES #68)
Updating pages
Bumping PodSpec for version bump
Merge pull request #67 from tenthbitinc/master

Make closeWithCode:reason: safer by moving readyState change to work queue
Clean up streams from NSRunLoops
Wrapping _SRRunLoopThread's main with autoreleasepool
Updating readme
Updating pages
Updating podspec
Upgrade to Xcode 4.6 settings
Merge pull request #81 from efirestone/master

Upgrade to Xcode 4.6 settings