Merge branch 'release-1.9.0'

CHANGELOG.txt

CMakeLists.txt

actions/ost-compare-structures

docker/Dockerfile

modules/doc/actions.rst

modules/io/doc/mmcif.rst

modules/io/pymod/export_mmcif_io.cc

modules/io/src/mol/mmcif_info.hh

modules/io/src/mol/mmcif_reader.cc

modules/io/src/mol/mmcif_reader.hh

modules/io/tests/test_io_mmcif.py

modules/io/tests/test_mmcif_info.cc

modules/io/tests/test_mmcif_reader.cc

modules/mol/alg/doc/molalg.rst

modules/mol/alg/pymod/qsscoring.py

modules/mol/alg/src/find_membrane.hh

modules/mol/alg/src/local_dist_diff_test.cc

modules/mol/base/doc/entity.rst

modules/mol/base/pymod/export_residue.cc

singularity/README.rst