[STABLE?] Preparing for deployment

app/models/step_param.rb

@@ -1,3 +1,15 @@
 class StepParam < ActiveRecord::Base
   belongs_to :step
+  # For reference when we add serializers / deserializers
+
+  TYPES = { x:               Float,
+            y:               Float,
+            z:               Float,
+            speed:           Float,
+            pin:             Fixnum,
+            mode:            Fixnum,
+            sub_sequence_id: Fixnum,
+            value:           String,
+            variable:        String,
+            operator:        String }
 end