Initial logging
New "show" function (and Show class) to also log results
Removed "show" and "show_close" from "tools.__init__" (they are now in "tools.show") to avoid circular dependencies.
All imports were updated
Added a simple version of `show` to maintain minimal compatibility with version 0.6 or older.
Implemented log levels and changed default format.
- Added log levels to `show`
- Changed the default owner from None to "dss"
Added a custom "show" to "show_close".
Added custom "Show" objects to log different names all over the program.
Set log level for some messages
Added lock to write to file
Added option to enable/disable recording the log.
Also the default log file is now selectable.
Merge branch 'log_system'
Increased default reload time after ffmpeg error