* Apparently, there were some leaks not reported as such
* Support for 32 bits computer is restored
* Fix memory leak in sfStringToNSString (related to #484)
* Unapply context when closing the window, freeing memory
The following commits are related to ARC modifications:
* 42f6e83dfbd73d8819287caddb250afd697729ba
* 6edc4b951838771340512f7b91b27f05039ae606
* f6c94451fb9262f52f537a4c5fff2309c2a89076
* 324d4a18e716070582fc8e659387f9b72a3d42a3
* 0d470561326bac4e8985bdbd5e139c9e3a276566
Commit ac28902b57094518e40b138b691b91f0f8004604 is the last one before the introduction of ARC.