Use get_message_body_summary of PSR7 and require min 1.5 (#2227)
Use get_message_body_summary of PSR7 and require min 1.5 (#2227)

* Update RequestException.php

* Use get message body summary

* Added a message to getResponseBodySummary to apply changes to PSR7 also

* Require guzzlehttp/psr7 1.5.2

* Return to static call of getSummary

* remove the extra comment

guzzle/guzzle,kkopachev/guzzle,kkopachev/guzzle,michabbb-backup/guzzle,guzzle/guzzle,michabbb-backup/guzzle