Log Message:
Update mathomatic to 11.0d.

Changes:
  - Removed some simplification optimizations in favor of correctness
    and simpler code.  Minor slowdown.
  - Doubled "MAX_COMPARE_TERMS".
  - Simplify order poly_div then smart_div reversed.
  - Kludge for size checking in poly_div removed.
  - Broke "am.in".  Edited.
  - Added "simplify poly" option to do poly_div first.