Release v1.3.1

This minor version adds WebSocket path and port to Session API from the Issue #63 (closed) and MR !50 (merged).

Provided default value for the web socket as constant and made it optional to not change the session interface.

changed milestone to %BASF Delivrable

added Workflow::Ready for Release label

requested review from @itoumlil

assigned to @itoumlil

approved this merge request

mentioned in commit 35425ab1

merged

mentioned in commit 5aadf7e4