create new table in DB
update analysis object for new table
fix tests to reflect analysis changes
better lock testing
pep8 fix
fix populate_test_db to have job options inserted properly
add exists and delete to jobject. Fixes #83
use array_agg order by to sort samples
tweak exists test to be more focused
simplify exists function, add delete docstring
Merge pull request #205 from squirrelo/track-analysis-table

Track analysis table
add ability to return existing job
Merge pull request #208 from squirrelo/update-analysis-job-objects

Update analysis job objects