code: public function PATCH( $endpoint, $params, $method_name, $is_json = true ) {
  		return $this->make_request( 'PATCH', $endpoint, $params, $method_name, $is_json );
  	}
docs: @param      $endpoint   string Where are we going with this request?
  @param      $params     string|object|array Contains all parameters that we want to pass to the API
  @param      $method_name string Which method called us?
  @param bool $is_json Decides if this is a post with JSON
  
  @return mixed