Now we provide also both a linear and logarithmic scale for parameter
sweeps. Moreover, the errors are computed correctly (reading the CSV
fiels better!). Results are ordered from the lowest error to the
highest, and filtered by number ("Show the best X results", as said
before). The "Max abs diff" is currently not shown. At least, now the
parameter sweep mostly works.
Fixed a small mistake with the computation of time intervals and
estimations of processing times: in the ParameterFitter class we still
used those two functions from RunAction with the old argument format: we
passed milliseconds while they expected seconds.