Reformat with pycharm (fix PEP8 issues)
Merge branch 'daniel-branch'

Conflicts:
	src/framed/bioreactor/dyssco.py
Changes in SBML loader. So that it doesn't fail if the sbml file doesn't contain flux bounds information.
Merge branch 'master' into kai-branch

Conflicts:
	src/framed/bioreactor/dyssco.py
- calculation for productivity
now round solution to 4 decimal places.  this solves a numerical issue when using argmax()