def normalize_hash_keys(hash, keys_case)
			return hash.inject({}) { |h, (k, v)| h[get_attribute_key(k, keys_case)] = object_to_hash(v, keys_case); h }
		end
def normalize_hash_keys(hash, keys_case)
			return hash.inject({}) { |h, (k, v)| h[get_attribute_key(k, keys_case)] = object_to_hash(v, keys_case); h }
		end
Public:: Normalize the keys of a hash with the case specified

 Author:: jlopexn@neonline.cl

 === Parameters
 * +hash+ - Hash to be normalized
 * +keys_case+ - :underscore or :camelcase

 === Examples
   normalize_hash_keys({:some_key => value1}, :camelcase)
   # => {"SomeKey" => value1}

   normalize_hash_keys({:some_key => value1}, :underscore)
   # => {"some_key" => value1}

 Returns:: Hash