* 1.7.1, July 23, 2007
 - Fix a race condition in the algorithm object cache
 - HMAC key schedule optimization
 - The build header sets a macro defining endianness, if known
 - New word load/store abstraction allowing further optimization
 - Modify most of the library to avoid use the C-style casts
 - Use higher resolution timers in symmetric benchmarks

* 1.7.0, May 19, 2007
 - DSA parameter generation now follows FIPS 186-3
 - Added OIDs for Rabin-Williams and Nyberg-Rueppel
 - Somewhat better support for out of tree builds
 - Minor optimizations for RC2 and Tiger
 - Documentation updates
 - Update the todo list