Merge branch 'hotfix/36'

Close #36

Author: weierophinney

src/RequestTrait.php

@@ -22,6 +22,10 @@
  * the environment. As such, this trait exists to provide the common code
  * between both client-side and server-side requests, and each can then
  * use the headers functionality required by their implementations.
+ *
+ * @property array $headers
+ * @property array $headerNames
+ * @property StreamInterface $stream
  */
 trait RequestTrait
 {