Allow setting a cell's min_width and max_width properties

Author: ericfreese

lib/prawn/table/cell.rb

@@ -112,6 +112,14 @@ def max_width
       #
       attr_writer :height
 
+      # Manually specify the cell's min_width
+      #
+      attr_writer :min_width
+
+      # Manually specify the cell's max_width
+      #
+      attr_writer :max_width
+
       # Specifies which borders to enable. Must be an array of zero or more of:
       # <tt>[:left, :right, :top, :bottom]</tt>.
       #

lib/prawn/table/cell/text.rb

@@ -82,8 +82,9 @@ def set_width_constraints
           unless defined?(@min_width) && @min_width
             min_content_width = [natural_content_width, styled_width_of_single_character].min
             @min_width = padding_left + padding_right + min_content_width
-            super
           end
+
+          super
         end
 
         protected