* fix ossfuzz issue 24074
* fix ossfuzz issue 23896
* switch to throw exceptions when reading ints/floats
* remove extraneous benchmarking code
* change type of AH query
* confirm an invariant while finding rings
* no sense in adding these tests to github
* switch to use fail() instead of failbit
switch to acceptSpaces by default
* stop returning local memory in exceptions
* remove a couple unnecessary copies in loops
* fix a bug in the way the default MMFF aromatic parameters are constructed
* remove a bunch of loop-variable warnings
* remove a bunch of clang warnings
* disable clang warnings in python wrappers
* remove some warnings when building the python wrappers
* Progress on #3168
* Fixes#3167
* Fixes#3169
* deal with CBONDS too
* test PATOMS
* Fixes#3175
* a bit of code simplification and test updates
still needs more testing
* more testing
* handle s-group hierarchy
also a couple of other changes in response to the review
* add forgotten test file
* changes in response to review
