Trac #13357: initial version
Trac #13557: update the autotools spkg, add Texinfo
python-sage work without cliquer patching (#14349)
module_list: add cl.c to cliquer.so sources (#14349)
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
algorithms for trees and latex output

* several traversal algorithms
* some methods added for binary heap
trac #14498: some improvements on trees
trac #14498: Darij's review patch, to be applied ATOP of trac_14498-algorithms_trees-rebased.patch and trac_14498-tree-imps-dg-rebased.patch