I guess it is just a patch to make our 0.99m to 1.00 ver., remember some posts mentione all patches after 1.0 released will be compatible with po version(0.99m)
PS: don't know why downloading my setup file speed is so slow ,anybody have same problem ?try 3 or 4 times, all are 20K/s
yesterday finally got a 120K+/s and installed my po version