Merge branch 'release/0.4.2' into develop
update documentation
Fix bug producer queue was referenced instead of consumer when autocreate
Make sure bootstrap exits with clean error
Fix bug where modules were not checks if they are registered
Improved catching errors when modules do not exist
Improve error handling when initializing a module with non existent variables
Improvement: use stdout_logs as instance name
Add possibility to print PID
Bumping version number + updating documentation
Merge branch 'release/0.4.3'