updated the metadata.xml with information about the modpack that I released today

-fixed the chance for the champion version of this boss being higher than it should be

-improved the code of this mod

-increased the hp of electric alien from 620 to 650

-fixed the graphic of the champion electric alien

-small fix for the graphics

-improved the graphics of the boss

-the music is less loud
-increased the difficulty of the boss

-added the music from the original game of the boss (can be disabled with mod config menu pure if you don't like it)

-champion version now throws always a random color instead of using the same method of normal version