Version 1.5.3, 2006-01-24
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* Many optimizations in the low-level multiple precision integer code
* Added hooks for assembly implementations of the MPI code
* Support for the X.509 issuer alternative name extension in new certs
* Fixed a bug in the decompression modules; found and patched by Matt Johnston
* New Windows mutex module (mux_win32), by Luca Piccarreta
* Changed the Windows timer module to use QueryPerformanceCounter
* mem_pool.cpp was using std::set iterators instead of std::multiset ones
* Fixed a bug in X509_CA preventing users from disabling particular extensions
* Fixed the mp_asm64 module, which was entirely broken in 1.5.2
* Fixed some module build problems on FreeBSD and Tru64

