1.2.0
  (Contributors: Antoine Latter & Mark Lentczner)

- added functions toByteString and fromByteString
- added 'nil' UUID
- added unit tests and benchmarks, built when configured -ftest
- major speed up of to/from functions (as well as in general)
- added version-3 generation (deterministic based on MD5)
- major changes to internal representation
	- now uses four strict Word32 values
	- internal ByteSource classes for easy construction (see Builder.hs)
- Storable instance now stores in memory as system libraries in C do:
    16 bytes derived from the network order of the fields, no matter what
    the host native endianess is.
- fixed bugs in V1 time and clock stepping, and V1 generated values
- builds cleanly under GHC's -Wall
- added CHANGES file

1.1.1

- no longer exporting 'null' from the prelude
- add 'null' predicate on UUIDs
- documentation fix (thanks Mark Lentczner)