Returns the raw value of a cell.
Support for raw cell values.
Make sure wb.num_fmts[:numFmt] is always an array, even with only one element
Also account for no formats with an array of length 0
Add rspec for new num_fmts code
Merge pull request #37 from johnlaing/master

Fix handling of single number format
Merge pull request #36 from janhuehne/master

Fixes issue 35 extract data being broken
added in directory creation in case the folders do not exist
Version bump to 1.2.8
Regenerate gemspec for version 1.2.8
Improved performance mostly for data_only where time to parse could be reduced in half
Version bump to 1.2.9
Regenerate gemspec for version 1.2.9
adding back in styles for data only mode as they are required for date format conversion
Version bump to 1.2.10
Regenerate gemspec for version 1.2.10
Methods to set and get wrapText style property