Fixes for datetime validation.

Release v0.2.2 - Fix datetime validation error handling

- Fix datetime validation errors when MultiViewer is closed or returns malformed data
- Add comprehensive logging for all session error scenarios
- Add 7 new test cases for error handling (87% coverage on memory.py)
- Improve error messages to help users troubleshoot and fix corrupted sessions
- Better debugging with specific exception handling and stack traces

Fix links in project description.

0.2.2

1) Fix broken email.

Added ability to connect Pitwall to remote MultiViewer instances

Added new optional parameter --url to connect to a remote host running MultiViewer.

Updated system prompt

Updated system prompt.