v2.9.3

Fix date function by database driver
Fix metrics negative variation value display

v2.9.2-beta-2

Fix metrics return type

v2.9.2

Rebase branch 2.9.0-beta-1 onto 2.x
Update README.md

v2.9.0-beta-2

Fix #12
Fix PostgreSQL and SQLite support

v2.9.0-beta-1

Feat #12
Add SQLite support
Add fillMissingData() labels auto discovery
Add trends in percents option
Fix PostgreSQL support bugs
Update CHANGELOG.md
Update README.md

v2.8.0

Add PostgreSQL support

v2.7.4

Add "from" period to set custom startDate end use the current date as endDate for between period

v2.7.3

Fix null exception on get metrics data

v2.7.2

Fix object to array conversion on trends data

v2.7.1

Fix #10