Fix 1d20 and 2d20 rolls

fix issue

- Added event (Summon Duende)
- Ported xml2lua code to nxml
- Fixed several issues with spawn enemy.

solve some errors

Fix bug where streamer can not use moderator commands

Add command system

Fix spawn spell

add random shift pooling

fix capitalized material ids

fix lots of gold reward crashing your game if you have too much gold