* refactor(chalice): upgraded dependencies
* refactor(chalice): upgraded dependencies
feat(chalice): support heatmaps
* feat(chalice): support table-of-browsers showing user-count
* feat(chalice): support table-of-devices showing user-count
* feat(chalice): support table-of-URLs showing user-count
* fix(chalice): fixed Math-operators validation
refactor(chalice): search for sessions that have events for heatmaps
* refactor(chalice): search for sessions that have at least 1 location event for heatmaps
* refactor(chalice): upgraded dependencies
* refactor(chalice): upgraded dependencies
feat(chalice): support heatmaps
* feat(chalice): support table-of-browsers showing user-count
* feat(chalice): support table-of-devices showing user-count
* feat(chalice): support table-of-URLs showing user-count
* fix(chalice): fixed Math-operators validation
refactor(chalice): search for sessions that have events for heatmaps
* refactor(chalice): search for sessions that have at least 1 location event for heatmaps
* refactor(chalice): refactored search sessions hooks
* refactor(DB): DB delta
* refactor(DB): DB delta
* refactor(DB): DB delta
* refactor(chalice): refactored schemas
* refactor(chalice): refactored schemas
refactor(chalice): cleaned scripts
feat(chalice): search sessions by CSS selector (PG)
