* Version 0.20131005.0 with new --expire flag.

  This version contains support for creating a new spreadsheet via CSV:

    curl -i -H "Content-Type: text/csv" -X POST --data-binary @file.csv http://localhost:8000/_

  To overwrite an existing spreadsheet:

    curl -i -H "Content-Type: text/csv" -X PUT --data-binary @file.csv http://localhost:8000/_/room

  To append to the bottom of an existing spreadsheet:

    curl -i -H "Content-Type: text/csv" -X POST --data-binary @file.csv http://localhost:8000/_/room