postman update

Merge pull request statping#679 from statping/ui-fixes-bugs

Ui fixes bugs

Merge pull request statping#668 from statping/metrics-update

prometheus metric updates

quick fix for not null sql field

changed column type for new string field

Merge pull request statping#662 from statping/cli-fixes

CLI fixes for PORT and IP/HOST

Merge pull request statping#659 from statping/promethus-metrics

Promethus metrics

Merge pull request statping#655 from statping/checks-and-balances

Checks and balances

Update Makefile

tests