Change models __unicode__ into __str__
Change models __unicode__ into __str__

dsanders11/cartridge,wyzex/cartridge,traxxas/cartridge,Parisson/cartridge,stephenmcd/cartridge,wyzex/cartridge,Kniyl/cartridge,stephenmcd/cartridge,syaiful6/cartridge,stephenmcd/cartridge,dsanders11/cartridge,ryneeverett/cartridge,Parisson/cartridge,ryneeverett/cartridge,syaiful6/cartridge,wbtuomela/cartridge,wbtuomela/cartridge,syaiful6/cartridge,dsanders11/cartridge,Parisson/cartridge,ryneeverett/cartridge,traxxas/cartridge,Kniyl/cartridge,wbtuomela/cartridge,wyzex/cartridge,traxxas/cartridge,Kniyl/cartridge