FIX: random crashes in Experiment.py and runsolver

_wrapper.py due to the sanity check in line 331 which was not able to
compare floats. runsolver_wrapper.py is now more robust, it checks
whether the runtime appears at the beginning of a line (if not it
doesn't parse it)
Merge branch 'development' of https://github.com/automl/HPOlib into development