Add a reset method that will delete and reallocate a yajl object.  This is needed becuase once a complete json message has been generated the object can't be used anymore.  This means we do NOT have to delete the object at the tcl level, just reset it.
Add a reset method that will delete and reallocate a yajl object.  This is
needed becuase once a complete json message has been generated the object
can't be used anymore.  This means we do NOT have to delete the object
at the tcl level, just reset it.

h0nza/yajl-tcl,flightaware/yajl-tcl,flightaware/yajl-tcl,flightaware/yajl-tcl,h0nza/yajl-tcl