Don't crash on recalculation of quotes when not methods
Use existing recalculation routines rather than replicate the same code a third, or fifth time in the same class.
Check method and option parameter set before using them
Merge pull request #1333 from JeffPyeBrook/pr-1332-dont-crash-on-recalc-with-no-methods-merged

Don't crash on recalculation of quotes when not methods