Fix sorting of Pico::$nativePlugins
Fix sorting of Pico::$nativePlugins

Thanks to PT on our Freenode IRC channel #picocms for reporting this!

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