def _generate_route_keys(self, methods, path):
for method in methods:<EOL><INDENT>yield self._route_key(method, path)<EOL><DEDENT>
Generates the key to the _dict_of_routes based on the list of methods
and path supplied

:param list(str) methods: List of HTTP Methods
:param str path: Path off the base url
:return: str of Path:Method