* remove some more deprecated numpy stuff
* workaround for changes to random.shuffle in python 3.11
* fix pickling of rdkit mols in python 3.11
* add py311 build to CI
* update py311 CI
* remove qt for py311 for the moment
* only use the new code with pyversion >=3.11
* use the new logic for all pickle_suites
* need to work with older py too
* remove all of the "from __future__" imports
* remove the first batch of rdkit.six imports/uses
* next step of rdkit.six removal
* removing xrange, range, and some maps
* next round of removals
* next round of cleanups
* fix inchi test
* last bits of "from rdkit.six" are gone
* and the last of the six stuff is gone
* strange importlib problem
