* Reduce warnings produced by running under ruby -w
* Improved auto-formatting for Dates and Times
* Honor Row, Column, Worksheet and Workbook-formats
* Merge branch ‘master’ into HEAD
* Only select the First Worksheet by default
* Reduce warnings produced by running under ruby -w
* Improved auto-formatting for Dates and Times
* Honor Row, Column, Worksheet and Workbook-formats
* Merge branch ‘master’ into HEAD
* Only select the First Worksheet by default