Preserving sheetIDs when loading and then saving the workbook
Preserving drawings when saving the worksheet. So far they end up being horizontially distorted; I bet it has something to do with workbook settings, but its a step forward.
Forgot to remove debug statement
This validation is messing up with unattached worksheets. Need to figure out what to do about it.
Getting rid of Builder
Code cleanup in WorksheetWriter
Giving the property a less cryptic name for better code understanding
Fixing issue with Hash::xml_node_to_hash being inconsistent about enclosing multiple nodes in Array.
Updated gemspec
Further fixing the Symbol vs Integer issue
Store merged cells in simple array instead of crazy hashes
Proper implementation of ColumnRanges (also known as 'cols')
Moving fills into a separate class (not working just yet, but will shortly).
Moving away from Nokogiri::Builder
Moving fills to a separate class
Preserving the original workbook's theme, if any.
Storing colors as approprite objects
Moving borders to proper object model
Moving away from Nokogiri::XML::Builder
Moving defined names to object model