FriCAS Code

Make the interface work for ecl and sbcl, too

eliminate use of prefix ^ as negation operator in boot code, disallow ^ as
prefix operator.

eliminate use of prefix ^ as negation operator in algebra code

Eliminate Fortran names in unparsed output.

Misc cleanups.

Do not define representation for S-expressions.

Correct path to spadclient in util.ht.

Fix issue #431 - exponentiation in ORESUP

Fix regression in printing Gamma.

Misc cleanups.