Dumps a list over loaded Entities or Tile Entities with their locations.
The list will be written to the dump
directory in the server's directory.
/entitydump <dimension>
dumps a list over loaded Entities in a dimension.
/tileentitydump <dimension>
dumps a list over loaded Tile Entities in a dimension.
Dimension must be the dimension ID, if dimension is not defined, it will be 0 (Overworld).