Revision history for Spreadsheet-ParseXLSX

0.04  2013-07-31
      - fix spreadsheets that only have a single cell (servuscmj, #2)
      - fixes for some variations in how xlsx files are generated (tophopstop,
        #3)
      - fix spreadsheets with more than 26 columns (tophopstop, #4)

0.03  2013-07-26
      - fix exception when the 'selection' node doesn't exist (reported by
        melick, #1)

0.02  2013-07-17
      - fix bugtracker link

0.01  2013-07-16
      - Initial release