* Allow specifying a custom log function for template render
* Bypass template cache when reporting errors + fix tests
* Send errors as events
* Fix logic for creating new TemplateEnvironment
* Add strict mode back
* Only send error events if report_errors is True
* Force test of websocket_api only
* Debug test
* Run pytest with higher verbosity
* Timeout after 1 minute, enable syslog output
* Adjust timeout
* Add debug logs
* Fix unsafe call to WebSocketHandler._send_message
* Remove debug code
* Improve test coverage
* Revert accidental change
* Include severity in error events
* Remove redundant information from error events