Protection
Added protection functionality to the worksheet
Proper tests for it
Updated known issues documentation for Protection behaviors of Libre
Office
Borders
Fixed problem with borders
Proper tests
Tests
Refactored tests to the same package
Empty rows
Fixed problems with the empty rows generator method
Proper tests
Empty rows
Improved empty rows management
Care for compatibility with many spreadsheet products
Proper tests
Worksheet columns
Rewritten the state machine to make place for worksheet columns (added a
new state that prevents to put columns after the first row of a
worksheet)
Added a drawing of the state diagram
Merge pull request #8 from jorgeb1980/development

Development