Comment tweak to make the behaviour a tiny bit clearer

Fix Mac build

1.7 release

More tweaks to progress tracking

Run synchronous requests in custom runloop mode again

Copy GHUnit to frameworks for Mac tests

1.6 release

1.5 Release

Don't cancel a request if it has already finished

Closes pokebgh-11

Added [request startAsynchronous] for easy async requests (no queue r…

…equired!)

Move cancelLoad out of ASIHTTPRequest.h, added a note about not calli…

…ng it