Flask-security uplift, CI extension, data endpoints, minor hotfix

Release track 0.3.1

Introduced flask-security-too (v3.2.0) instead of flask-security (3.0.0) (#162)

• maintained version of flask-security
• major performance boost
• added robustness CI test collection to measure the performance of multiple GET requests

New data endpoints for querying Arcsi statistics like, count of new episodes during a time period (#159)

Minor fixes and more detailed debug logging (#160, #165)