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HyHero Core 1.23

Update to nukkit #732
- New config options for MyHero Mobs
Update for mc 1.11
----- MyHero Core 1.2 -----
New module for Database conn
New module MyHero Levels
New softdependency DbLib required for MyHero Levels
New Commands /mh exp/level add/give/set/substract
New command /mh exp list

Config must be loaded again!!!!!
Bug fixes, add support for MyHero Mobs