Roundabout Fabric 1.8.3

Fixed accidental incompatibility with other jojo mod
Fixed experimental gravity having weird mount riding positions
Fixed experimental gravity allowing xrays under certain conditions
Fixed a bug where Soft and Wet item plunder bubbles doubled as oxygen bubbles while returning with items
Added skeletal Magician's Red skin (thanks k4)
Reduced Magician's Red's ankh shoot cooldown (120->100) to match its underground ankh cooldown
Magician's Red canceling its attack with right click or holding too long also has a reduced coodlown (80->30)
- Note that you will have to reset these values to their defaults for the changes to kick in if you already have a config generated