Reintroduce plugin prefix classifications
Reintroduce plugin prefix classifications

This partially reverts commit 9254240

PhrozenByte/Pico,picocms/Pico,PhrozenByte/Pico,TakamiChie/Pico,TakamiChie/Pico,TakamiChie/Pico,picocms/Pico,picocms/Pico,TakamiChie/Pico,PhrozenByte/Pico