Make device and plugin manager singleton by default
hidtrigger: Don't raise an exception when no devices were found
web: Use in-memory logbuffer instead of file-parsing for message polling
web: Add API endpoint for logs
web: Increase number of http worker threads
web: Add log display screen to webinterface

- Filtering by log-level
- Pagination
- Variable number of records
- Detailed traceback for exceptions
- Helpers to query GitHub and create new issues from exceptions