Release 1.3:
- Added hash functions SHA-256 and RIPEMD-160.
- Added "flush" method to transforms.
- Fixed infinite loop in decompression of incorrect data.

Release 1.2:
- MS Windows port

Release 1.1:
- Added Diffie-Hellman key agreement
- Exported raw modular arithmetic operations (mod_power, mod_mult)

Release 1.0:
- First public release