message: AliFemtoConfigObject: Add pop_str for char* inputs
diff: @@ -615,6 +615,9 @@ public:
  IMPL_POP_ITEM(pair_of_floats, pop_range);
  IMPL_POP_ITEM(pair_of_ints, pop_range);
  + StringValue_t pop_str(const Key_t &key, const char* _default)
  + { StringValue_t res(_default); pop_and_load(key, res); return res; }
  +
  #undef IMPL_POP_ITEM
  