Fix issue 173 relating to zombie connections from Socket #176
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SpicyPete
approved these changes
Feb 17, 2020
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Fixes #173 by adding a small enum-based state machine to track whether an instance is initialised and if so what connection type (socket.io vs BitSocket) it is being used for.
Once an instance is of a certain type, queries of the other type or queries of same type that require a new connection will throw an error. This ensures that at most one connection exists at any time so that calling
close()results in zero open connections.