backup schedule execute method separated
pull renamed to poll in tests
backup tasks renamed
backup executebackups command separated into 3 commands
command renamed
commands tests and corrections
RelatedBackupField realisation
RelatedBackupField test
validator added to BackupScheduleSerializer
validate_backup_source test
BackupSchedule save rewrited
get_backupable_models method in backup_registry
backup views rewrited
CreateModelViewSet added
BackupScheduleViewSet queryset corrected
scenarious tests and views tests
backup view actions
backup schedule can not be executed manually
backup delete test
deactivate and activate backup schedule methods