'Check if this L{FilePath} exists.
@return: C{True} if the stats of C{path} can be retrieved successfully,
C{False} in the other cases.
@rtype: L{bool}'

def exists(self):

    if self._statinfo:
        return True
    else:
        self.restat(False)
        if self._statinfo:
            return True
        else:
            return False
