Added rewriting shared strings in values to excel_to_ruby.rb
Added rewriting shared strings in values to excel_to_ruby.rb

tamc/excel_to_code,tamc/excel_to_code,jmptrader/excel_to_code,dberlin/excel_to_code,kevinmel2000/excel_to_code,kevinmel2000/excel_to_code,jmptrader/excel_to_code,tamc/excel_to_code,tamc/excel_to_code,dberlin/excel_to_code