Add docstrings to lib/utils.py and pep8 mods
Add docstrings to lib/utils.py and pep8 mods


Former-commit-id: 0fdc50f4805c714826b9c79c8262f78833314f64
robcza/intelmq,robcza/intelmq,sch3m4/intelmq,robcza/intelmq,certtools/intelmq,aaronkaplan/intelmq,aaronkaplan/intelmq,sch3m4/intelmq,pkug/intelmq,certtools/intelmq,robcza/intelmq,sch3m4/intelmq,sch3m4/intelmq,aaronkaplan/intelmq,pkug/intelmq,pkug/intelmq,pkug/intelmq,certtools/intelmq