* fix aliasing bug in MultithreadedSDMolSupplier
* update GeneralFileReader to v2 API
* add backwards incompatibility note
* v1 of this
* The helper function needs to be inline
* forgot the tests
* allow non-threadsafe builds
* MultithreadedMolSuppliers can now be destroyed without being used.
This was previously not possible
* add callbacks to the multithreaded readers
* document the new functions
* switch to storing the queues in unique_ptrs
* does not work
* only do those tests when in MT mode
* more generalfilereader cleanup
* tests pass
* passes tests
* extremely basic python wrapper
* better wrapper
* does not work
* tests pass
* test data
* fix failing test on ARM macs
we need to followup on why the wedging is different here
* move some stuff to the cpp file
the idea is to have the windows DLL builds not break
* fix(?) win64 linkage problems
* remove a warning in non-multi-threaded builds
* fix non-multi-threaded work
* well, at least local windows builds work
* remove duplicated code
* refactoring
simplification?
* simplify mutext handling
* review suggestions
