Webaccess: fixed crash occurring on nested multipage/non-multipage frames
UI: Restored first tab selection in InputOutputPatchEditor
Webaccess: restored network configuration page after extenal CSS/JS change
Plugins/ArtNet: fixed QLC+ to QLC+ Artnet communication

After 377bfb55862c11a24206257cf35ecd8a6f9d4014 QLC+ ArtNet universes start from 0
VCMatrix: it is now possible to select custom properties for a RGB Script