Order of no particular importance: * Use libgbus in PkNetwork to avoid warning message * Add a queing API * Add GetStatus and ::StatusChanged to get package data as string for UI * Complete the yum backend (or at least bodge it for now)! * Add details into the application UI * Add runtime into finished signal * Write documentation for backend writers -search-details.* * Write documentation for UI porters * Add FindPackagesByGroup() and GetGroupList perhaps * Add a way to import GPG keys