MC Plugin MythicMobsGUI [MMGUI] 1.8.6

MMGUI is the best GUI editor plugin for MythicMobs

- Fix issues

- Fix issues

- Fix issues

- Fix issues

- Fix issues about Mob Bossbar

- Fix issues

- DecentHolograms support

- Filters added on some menus

- Fix issues

- /mmgui modelenginetool