This plugin does not work anymore and needs update
Error while compiling: TeamManager.cs(108,81): error CS1061: Type `RelationshipManager' does not contain a definition for `playerTeams' and no extension method `playerTeams' of type `RelationshipManager' could be found. Are you missing an assembly reference?
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)