Fix issue #7.

Fix issue #7 by checking if there is a cut with the same name but with
different cut parameters when adding cuts to the cut trains.
Merge pull request #8 from tproc12/master

Implementation of function for Primakoff analysis in hubers user-area.
Merge pull request #10 from legordian/fixI7

Fix issue #7.
Add check for axis ranges.

Add check if the lower bound of an axis is above the upper bound
of an axis, because otherwise the axis range is automatically generated
by root.