run unit test for lof_sieve
unit test for lof-sieve
Merge pull request #253 from udp3f/master

unit test for lof-sieve
Update requirements.txt
[BUG] create gene_* tables when using multiple cores
[ENH] add in_cosmic_census flag to gene_summary table.
load with multiple cores: test gene table
unit test for gene tables, loading with multiple cores
Merge pull request #254 from udp3f/master

additional unit tests for gene tables