Fix bug where multiple scenario tables broke the column formatting.

Author: mattwynne

lib/cucumber/formatters/pretty_formatter.rb

@@ -177,7 +177,7 @@ def padding_spaces(tree_item)
       def next_column_index
         @current_column ||= -1
         @current_column += 1
-        @current_column = 0 if @current_column == @table_column_widths.size
+        @current_column = 0 if @current_column >= @table_column_widths.size
         @current_column
       end