Make sure to ignore trailing empty rows in all places.
Make sure to ignore trailing empty rows in all places.

Otherwise it'd throw an exception.

All unit tests pass now.

Change-Id: I1dc49afcdf3e6604de4c0bc2440106c5ce0da090

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core