Chython

* unpach function for PaCh processing
* At moved to non-metals
* new reactors and retroreactors
* found bugs fixed

**Full Changelog**: https://github.com/chython/chython/compare/1.75...1.78

What's Changed
* new smiles generator: reusable rings [incompatible with 1.70]
* templates corrections by TimurGimadiev in https://github.com/chython/chython/pull/42
* add apple arm64 support for INCHI by TimurGimadiev in https://github.com/chython/chython/pull/43
* Improvements for reset_mapping and remove_reagents methods by PGantzer in https://github.com/chython/chython/pull/45
* standardization templates refactored and extended
* sdf metadata parser improved

New Contributors
* PGantzer made their first contribution in https://github.com/chython/chython/pull/45

**Full Changelog**: https://github.com/chython/chython/compare/1.70...1.75

moved to poetry
fingerprints module updated by TimurGimadiev
predefined reactions fixed
minor bugs fixes

**Full Changelog**: https://github.com/chython/chython/compare/1.68...1.70

labeled SMILES parsing fixed

**Full Changelog**: https://github.com/chython/chython/compare/1.67...1.68

Better Cis-Trans

parser of dienes stereo in some cases lost data
smiles generator in some cases produced invalid isomer labels

BUG FIX RELEASE

standardization rules fixed
implicify hydrogens fixed
depiction fixed

**Full Changelog**: https://github.com/chython/chython/compare/1.64...1.66