Fixed missing data extracted from simplex after error.
Fixed missing data extracted from simplex after error.

If simplex encounters an error (in some circumstances, it actually
should raise an error), loop takes the best force field simplex
generated thus far. Previously, it incorrectly copied the method
attribute.

arosale4/q2mm,Q2MM/q2mm,Q2MM/q2mm,arosale4/q2mm,ericchansen/q2mm,ericchansen/q2mm