lib/rubiks/nodes/dimension.rb in rubiks-0.0.5 vs lib/rubiks/nodes/dimension.rb in rubiks-0.0.6

@@ -8,10 +8,10 @@
 
     validates :hierarchies_present
 
     def self.new_from_hash(hash={})
       new_instance = new('',[])
-      return new_instance.from_hash(hash)
+      return new_instance.from_hash(hash.deep_dup)
     end
 
     def hierarchies_present
       if self.hierarchies.present?
         self.hierarchies.each do |hierarchy|