Basic locking for net step / browser data loading
concurrency
Merge pull request #33 from joschabach/step_load_concurrency_fix

Basic locking for net step / browser data loading
special notification if server offline
in monitor.step check if target still exists
Typo fix
only rotate instances, not the symbol registry
don't expect every param ot be float
Merge remote-tracking branch 'joscha/master' into logging

Conflicts:
	micropsi_core/nodenet/nodenet.py