* Implements 'Teleport Home'
* User Server has to be updated for it to save your home in grid mode
* home position accuracy is in int because the grid comms ExpectUser method tries to convert to Uint and crashes if it gets a float. Added a convert to decimal in ExpectUser but to avoid a breaking change with old revisions, kept the save value in int for now. Eventually it needs to be a float, but lets release another incremental version before doing that.
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