0.2.5 Keep factors file open between writes, flush it when checkpointing.

      Allow APP_BUFLEN >= 8

      Main version 0.2.4


0.2.4 Fixed a bug where nmax was not being correctly set from a multi-n file.


0.2.3 Hint to compiler to use a conditional move to avoid a 50/50 branch in
      the left-right powmod. Thanks to Ken Brazier for this idea.

      Left-right powmod is now faster than right-left in 64-bit mode too,
      so remove the right-left code altogether.

      Allow APP_BUFLEN=7


0.2.2 Allow the input file to be in ABCD format.
      New tp_abcd program to convert from NewPGen to ABCD format.

      Main version 0.2.3


0.2.1 Fixed invalid header error for valid input files.

      Compute 2^{-n} mod p using a left to right powmod in 32-bit mode.


0.2.0 Added nmax option for sieving a range nmin <= n <= nmax.

      Added restriction kmax < pmin.


0.1.2 Set FPU mode in each child thread.


0.1.1 Fixed segfault when no input file.

      Use kmin <= k <= kmax instead of kmin <= k < kmax.


0.1.0 Release for testing.
