FriCAS Code

Misc cleanups.

fixes for gcl and for emacs 21. Escapes in fricas-marker-format-function are
not safe. Startup still fails sometimes.

update expected() to take into account the fixed test for #293 from rev 366.

add link to article, make defaults of guess reasonable.

removed again (put in only to have it documented).

more documentation,better escapes, fix typo in axiom.el.pamphlet and add
reference to fricas.el.

fix saving and loading of worksheets. Should be mostly working now.

first version of loading worksheets.

Update a test.

more documentation