…there are a lot of 'format not a string literal, argument types not checked' warnings when Sparkle.xcodeproj is referenced in another project.
… pattern, removed 3 explicit releases and use autorelease instead. There are now only 2 exceptions to this pattern left. One is probably justified, the other looks like a leak.
… by Apple. Similiar for global variable that started with double underscore
…gs are fixed
… conditionalise Obj-C code
…ting. This is important for apps which checked this value during an app delegate's applicationShouldTerminate:. Thanks to Nick Zitzmann for the patch.