bugfixes to search manager - moved fields lookup to inside search method to avoid missing self.model attribute when queryset is being copied, and renamed attributes to avoid collision wih existing _fields attribute
bugfixes to search manager - moved fields lookup to inside search method to avoid missing self.model attribute when queryset is being copied, and renamed attributes to avoid collision wih existing _fields attribute

wbtuomela/cartridge,Parisson/cartridge,ryneeverett/cartridge,Kniyl/cartridge,Parisson/cartridge,jaywink/cartridge-reservable,wyzex/cartridge,viaregio/cartridge,dsanders11/cartridge,wyzex/cartridge,Parisson/cartridge,wyzex/cartridge,Kniyl/cartridge,syaiful6/cartridge,Kniyl/cartridge,traxxas/cartridge,wbtuomela/cartridge,jaywink/cartridge-reservable,stephenmcd/cartridge,stephenmcd/cartridge,traxxas/cartridge,viaregio/cartridge,ryneeverett/cartridge,dsanders11/cartridge,dsanders11/cartridge,syaiful6/cartridge,ryneeverett/cartridge,stephenmcd/cartridge,syaiful6/cartridge,wbtuomela/cartridge,jaywink/cartridge-reservable,traxxas/cartridge