storage: Create helpers to perform FindByUUID and FindByName
storage: Create helpers to perform FindByUUID and FindByName

Create a couple of helpers that will perform the same call sequence.

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

datto/libvirt,VenkatDatta/libvirt,datto/libvirt,jardasgit/libvirt,libvirt/libvirt,olafhering/libvirt,eskultety/libvirt,olafhering/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,andreabolognani/libvirt,eskultety/libvirt,zippy2/libvirt,datto/libvirt,jardasgit/libvirt,crobinso/libvirt,jfehlig/libvirt,zippy2/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,libvirt/libvirt,eskultety/libvirt,zippy2/libvirt,nertpinx/libvirt,crobinso/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,olafhering/libvirt,andreabolognani/libvirt,eskultety/libvirt,libvirt/libvirt,datto/libvirt,VenkatDatta/libvirt,datto/libvirt,fabianfreyer/libvirt,olafhering/libvirt,jfehlig/libvirt,nertpinx/libvirt,nertpinx/libvirt,eskultety/libvirt,crobinso/libvirt,andreabolognani/libvirt,zippy2/libvirt,jardasgit/libvirt,jardasgit/libvirt,crobinso/libvirt,libvirt/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,jfehlig/libvirt,jardasgit/libvirt