Renaming to CouchRest Model

Refactored basic directory structure.
Moved to ActiveSupport for Validations and Callbacks.
Cleaned up older code, and removed support for text property types.

lib/couchrest/model/validations.rb

@@ -0,0 +1,32 @@
+# encoding: utf-8
+
+require "couchrest/model/validations/casted_model"
+
+module CouchRest
+  module Model
+
+    # Validations may be applied to both Model::Base and Model::CastedModel
+    module Validations
+      extend ActiveSupport::Concern
+      included do
+        include ActiveModel::Validations
+      end
+      
+
+      module ClassMethods
+        
+        # Validates the associated casted model. This method should not be 
+        # used within your code as it is automatically included when a CastedModel
+        # is used inside the model.
+        #
+        def validates_casted_model(*args)
+          validates_with(CastedModelValidator, _merge_attributes(args))
+        end
+        
+        # TODO: Here will lie validates_uniqueness_of
+        
+      end
+
+    end
+  end
+end