General update for 1.13.1 servers. Mojang likes to mess things up to break plugins... Anyhow, it should be working now properly on new version. Tho its still not recommended to use 1.13.1 for live server applications, same as CMI can still contain some minor issues with nevest version.
Fix for holograms which tend to disappear if you die and respawn near them
Default reddust particle color for portals will be grey, not a red. As this "issue" have been introduced with 1.13 update. Now its more like old behavior.
Fix for possible issue when selecting portal area.