Changed file- and directory id generation from GetHashCode to SHA1
Changed file- and directory id generation from GetHashCode to SHA1

mglodack/FAKE,MiloszKrajewski/FAKE,MiloszKrajewski/FAKE,MichalDepta/FAKE,RMCKirby/FAKE,beeker/FAKE,Kazark/FAKE,MiloszKrajewski/FAKE,mglodack/FAKE,rflechner/FAKE,rflechner/FAKE,MiloszKrajewski/FAKE,beeker/FAKE,mglodack/FAKE,Kazark/FAKE,RMCKirby/FAKE,beeker/FAKE,Kazark/FAKE,rflechner/FAKE,MichalDepta/FAKE,beeker/FAKE,MichalDepta/FAKE,Kazark/FAKE,mglodack/FAKE,MichalDepta/FAKE,rflechner/FAKE,RMCKirby/FAKE,RMCKirby/FAKE