Remove staging table on delete.
Restructure repository for easier use as Python package.
Add generic functions safe_division, add_array and sum_array
Use anyelement as argument type for safe_division function.
Add function granularity_seconds.
Update .gitignore to support directory restructuring.
Add helper function create_trends.
Merge branch 'develop' of git:Minerva/python/minerva into develop
Add virtual entity schema and update logic.
Refactor provisioning scripts and fix zsh history.
Add OR query translation
Merge branch 'develop' into release/4.6