Merge branch 'develop' into lDDT-SCHWED-3127

CHANGELOG.txt

modules/io/doc/mmcif.rst

modules/io/src/mol/mmcif_reader.cc

modules/io/src/mol/pdb_reader.cc

modules/mol/alg/doc/molalg.rst

modules/mol/alg/pymod/CMakeLists.txt

modules/mol/alg/pymod/export_membrane.cc

modules/mol/alg/pymod/wrap_mol_alg.cc

modules/mol/alg/src/CMakeLists.txt

modules/mol/alg/src/accessibility.cc

modules/mol/alg/src/find_membrane.cc

modules/mol/alg/src/find_membrane.hh

modules/mol/base/doc/entity.rst

modules/mol/mm/src/simulation.cc

modules/mol/mm/src/simulation.hh