This should work for (possible) overlapping ranges depending on how html renders certain things. */

taken from techoverflow

Automatic construction from a `T`, not a `T*`.

only call this once, before any other sqlite functions, subsequent calls will fail (though it shouldn't do harm). Also, we don't check the return code

This function was taken from https://github.com/agauniyal/rang/ Used here to (poorly!) detect support for ansi escape codes