added method to dump molrepos's molecules to csv file

3 jobs for master in 61 minutes and 49 seconds (queued for 2 seconds)
Name Stage Failure
failed
unittest_python_3.7 Unittest The script exceeded the maximum execution time set for the job
2021-09-13 12:35:47,008 sqlalchemy.engine.Engine [INFO    ] ROLLBACK
.
tests/test_deepchem_feat.py sssssssss
tests/test_downloader.py patool: Extracting /test/package/tests/data/test_download_tmp/tmp_vk_6923z/disease_mappings.tsv.gz ...
patool: running '/usr/bin/pigz' -c -d -- '/test/package/tests/data/test_download_tmp/tmp_vk_6923z/disease_mappings.tsv.gz' > '/test/package/tests/data/test_download_tmp/tmp_vk_6923z/unzip/disease_mappings.tsv'
patool: with shell='True'
patool: ... /test/package/tests/data/test_download_tmp/tmp_vk_6923z/disease_mappings.tsv.gz extracted to `/test/package/tests/data/test_download_tmp/tmp_vk_6923z/unzip'.
..
Pulling docker image gitlab/gitlab-runner-helper:x86_64-a987417a ...
ERROR: Job failed: execution took longer than 1h0m0s seconds