FriCAS Code

Implement missing function in wtpol.spad.

Dechunkify a few files.

Update references and documentation.

Make sure formal derivatives are commutative.

fix comparison of arguments

Rename 'setelt' to 'setelt!'

Add 'qsetfirst!' and 'qsetrest!'

Implement missing functions in Dequeue.

remove trailing whitespace, trailing empty lines, expand tabs

remove trailing whitespace
find . -type f -a ! -regex '\./\.git/.*' -a ! -name '*.ps' -a ! -name '*.daase' -a ! -name '*.icns' -exec sed -i 's/[ \t]*$//' {} \;

remove trailing empty lines
find . -type f -a ! -regex '\./\.git/.*' -a ! -name '*.ps' -a ! -name '*.daase' -a ! -name '*.icns' -exec sed -i -e :a -e '/^\n*$/{$d;N;};/\n$/ba' {} \;

expand tabs to spaces
for f in $(grep -lR ' ' *|grep -v Make|grep -v config|fgrep -v '.as'|grep -v '.ht$'|grep -v 'diff$'|grep -v 'icns$'|grep -v rules|grep -v ChangeLog); do expand $f > $f.x; mv $f.x $f; done

Fix ArrayStack.