Initial BLAST tests
Added tests for make_BLAST_database()
Merge branch 'tests'

* tests:
  Added tests for make_BLAST_database()
  Initial BLAST tests
Native support for clustering by column. Previously in dev branch. SeqFindr now natively supports x or y axis clustering. Use option --cluster_column. This closes #27!
For minor inc
Bump version: 0.32.2 → 0.33.0