Add PHP 7.3 tests on Travis
Add PHP 7.3 tests on Travis

madwings/InsaneDB,butane/CodeIgniter,bcit-ci/CodeIgniter,bcit-ci/CodeIgniter,madwings/InsaneDB,bcit-ci/CodeIgniter,butane/CodeIgniter,bcit-ci/CodeIgniter,butane/CodeIgniter,madwings/InsaneDB,bcit-ci/CodeIgniter,butane/CodeIgniter,butane/CodeIgniter,madwings/InsaneDB,madwings/InsaneDB