Fixed an error condition created by the new parsing when the row had no ht attribute. Removed a puts statement inserted from the last patch

Author: Robert Brazier

lib/rubyXL/parser.rb

@@ -20,7 +20,6 @@ def Parser.convert_to_index(cell_string)
         col = 0
         i = 0
         if @@parsed_column_hash[one].nil?
-          puts "||#{one}||"
           two = one.reverse #because of 26^i calculation
           two.each_byte do |c|
             int_val = c - 64 #converts A to 1
@@ -227,7 +226,7 @@ def Parser.fill_worksheet(wb,i,files,shared_strings)
 
           wb.worksheets[i].row_styles[row_attributes['r'].content] = { :style => row_style  }
 
-          unless row_attributes['ht'].content == ""
+          if !row_attributes['ht'].nil?  && !row_attributes['ht'].content.blank?
             wb.worksheets[i].change_row_height(Integer(row_attributes['r'].content)-1,
               Float(row_attributes['ht'].content))
           end