Ian Lepore c03ab159f6 Make all internal routines return an int error status, and check the
status at all call points.  Combine the get_status and wait_for_ready
routines, since waiting for ready is the only reason to ever get status.
2018-03-18 17:47:57 +00:00
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2018-02-20 03:51:09 +00:00