interpolator: saving pickle now in 3 files but 1. saving Dir changed to
"interpolatorData"

scm..model: when there are 2 cracks at the same stress level an Error is
printed but evaluation continues.The first crack is allocated to the
current stress level and the second crack to the current stress level
plus 1e-12.
Merge branch 'master' of https://axelvonderheide@github.com/simvisage/simvisage.git