Fixed the way the custom table_name is set for model Table

app/models/table.rb

@@ -1,10 +1,8 @@
-class Table < Sequel::Model
+class Table < Sequel::Model(:user_tables)
 
   PRIVATE = 0
   PUBLIC  = 1
 
-  self.set_dataset(:user_tables)
-
   def public?
     privacy && privacy == PUBLIC
   end