lib/parametric/utils.rb in parametric-0.0.1 vs lib/parametric/utils.rb in parametric-0.0.2

@@ -1,11 +1,11 @@
 module Parametric
   module Utils
-    def self.value(val)
+    def self.value(val, separator = ',')
       if val.nil?
         ''
       elsif val.is_a?(Array)
-        val.join(',')
+        val.join(separator)
       else
         val
       end
     end
 
\ No newline at end of file