note about things still to do with RAND_bytes

 Changes between 0.9.4 and 0.9.5  [xx XXX 1999]

  *) Precautions against using the PRNG uninitialized: RAND_bytes() now

     has a return value which indicated the quality of the random data

     (1 = ok, 0 = not seeded).

     has a return value which indicates the quality of the random data

     (1 = ok, 0 = not seeded).  Also an error is recorded on the thread's

     error queue.

     (TO DO: always check the result of RAND_bytes when it is used in the

     library, because leaving the error in the error queue but reporting

     success in a function that uses RAND_bytes could confuse things

     considerably.)

     [Ulf Möller]

  *) Do more iterations of Rabin-Miller probable prime test (specifically,