* a round of cleanups courtesy of PVS studio
* add a test to make sure that a warning is a false alarm
* bug fix
* Fix a UFF bug
* more PVS studio cleanups
* next round of PVS studio cleanups
* completely remove the chances for that bug
* changes in response to review
* add an additional test
+ a bit of reformatting that snuck in
* do not remove multiple bonds that aren neither conjugated nor to heteroatoms
* unflag aromatic bonds
* remove bond stereo too
* call assignStereochemistry after the tautomer normalizations
* copy in, get building, add some basic tests
* complete the testing
Except for regiosiomers, which do not work
* regioisomers work now
* backup commit; things work
* remove last of NM macros from hashfunctions.cpp
* remove last of NM macros from hashfunctions.cpp
* remove dependency on the abstraction layer
* typo
* start using namespaces
clang-format
* switch to using enums for the HashFunctions and StripTypes
* Add initial python wrapper (and tests)
* move the new hashing code to the MolHash library
still may want to revise the naming of this
* Setup deprecation of the older hashing code
* better release notes text
* change in response to review
