transferred functions from work in progress
noticed a missing article 'a' in a sentence
some doc changes
docstrings reviewed
some doc changes II, for some reason
Franco's suggestions
warnings added
copypaste oops
Initial version.
spelling according to Shareshian-Wachs
Merge branch 'master' into eulerian
the jackhammer approach to fixing the definition of dex
rest of the review
working on the flip graph
still trying to understand how to use git
added examples
trac #15439: combinat.matrices.latin.isotopism should not use '*' on permutations
trac #15439: typo fixes
trac #15476: involutions on NSym and QSym part I
Initial review changes.