#14102: Nonsymmetric Macdonald polynomials
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
trac #15471: getting rid of a pointless product with an identity permutation
trac #15471: reviewer's patch
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.
Merge branch 'public/combinat/ncsf_qsym/involutions-15476' of trac.sagemath.org:sage into NSym1
really minor changes