Merge pull request #3 from matheweis/master

ICOFamily is no longer broken - writing ICO files works. - Thanks metheweis
Made the saved ICO files actually look how they are supposed to when using NSImage and fixed XCode project so it builds with newer changes.
Changed license
readme typo
Change copyright year
leak fix
fixed implicit conversion warnings for 64 bit
Merge pull request #7 from karelia/master

Leak fix