code: private Throwable loadLib(String _lib) {
          try {
              System.load(_lib);
              return null;
          } catch (Throwable _ex) {
              return _ex;
          }
      }
docs: Tries to load a library from the given path.
  Will catches exceptions and return them to the caller.
  Will return null if no exception has been thrown.
  
  @param _lib library
  @return null on success, {@link Throwable} otherwise