refactor(errors): trigger signalError event on errors
refactor(errors): trigger signalError event on errors

yusufsafak/cerebral,cerebral/cerebral,idream3/cerebral,FWeinb/cerebral,cerebral/cerebral,christianalfoni/cerebral,christianalfoni/cerebral,bdjnk/cerebral,garth/cerebral,garth/cerebral,yusufsafak/cerebral,bdjnk/cerebral,idream3/cerebral,fopsdev/cerebral,FWeinb/cerebral,fopsdev/cerebral