added crumb_ensure_valid_crumb
added crumb_ensure_valid_crumb

straup/flamework,straup/flamework,cooperhewitt/flamework,exflickr/flamework,cooperhewitt/flamework,straup/flamework,straup/flamework,exflickr/flamework,cooperhewitt/flamework,exflickr/flamework,cooperhewitt/flamework