Make this build on my other Mac

The Sparkle dependency is wonky somehow, anyone know how to fix it so it works?
Merge branch 'master' of github.com:uliwitness/Stacksmith
Shut up some warnings in error exits and make sure we return at least SOME values to be ignored.
Make this build with newer Xcodes.
Merge branch 'master' of github.com:uliwitness/Stacksmith