Add function fst.
Move as_tuple method to DataPackage class.
Add functions to get attribute state at a specific time.
Make function re-runnable
Fix function definition syntax errors.
Add staging table support for notification storage.
Merge branch 'develop' of hitc14:Minerva/python/minerva into develop
Add data retention period column for trendstores.
Merge branch 'develop' into release/4.6