Renamed new_document? and new_model? to simply new?

lib/couchrest/core/document.rb

@@ -27,7 +27,7 @@ module CouchRest
     end
     
     # returns true if the document has never been saved
-    def new_document?
+    def new?
       !rev
     end
     
@@ -67,7 +67,7 @@ module CouchRest
     
     # Returns the CouchDB uri for the document
     def uri(append_rev = false)
-      return nil if new_document?
+      return nil if new?
       couch_uri = "http://#{database.uri}/#{CGI.escape(id)}"
       if append_rev == true
         couch_uri << "?rev=#{rev}"