Added Commands:
/desiredpotion enableall - Enables all potion effects. /desiredpotion disableall - Disables all potion effects. /desiredpotion enable <effect> - Enables a specific potion effect. /desiredpotion disable <effect> - Disables a specific potion effect. /desiredpotion set <effect> <level> <duration> - Set a potion effect's level and duration. /desiredpotion reload - Reloads the configuration and reapplies potion effects. /desiredpotion help - Shows this help message.

Added config file for you to edit the Title, duration of effects, duration of every effect, enable/disable any effect.

Added every potion effect.

Made the Title message wait until any resource packs are loaded to display message to ensure it is seen.