Improved CD serialization

Author: mdhimes

lib/layers.py

@@ -290,6 +290,8 @@ def get_config(self):
         'bias_regularizer': regularizers.serialize(self.bias_regularizer),
         'activity_regularizer':
             regularizers.serialize(self.activity_regularizer),
+        'weight_regularizer': regularizers.serialize(self.weight_regularizer),
+        'dropout_regularizer': regularizers.serialize(self.dropout_regularizer),
         'kernel_constraint': constraints.serialize(self.kernel_constraint),
         'bias_constraint': constraints.serialize(self.bias_constraint)
     })