1.02

- Standardizes representation of non-finite numbers as : +inf, -inf, +nan
- Allows for separate specification of rounding levels for character and numeric
  vectors
- Composite unfs are sorted by unf value which disambiguates ordering
- Discovered that sprintf() internal rounding behavior is inconsistent.
  Now use explicit rounding using IEE 753 "round to nearest".
- UNF Version 4, replaces MD5 with SHA256 algorithm
- check with codetools()
- remove -static (request from Brian Ripley)

1.04 
- Set locale for sort order
- Add vignette
- Move citation

1.05
- fix bug in as.unf

1.06
- workaround for lack of posix locale under windows

1.07
- Protocol v. 4.1, perf, as.unf bug

1.08
- code comments 

1.09
- fix prototyping bug, add other languages

1.10
- fix suppression of digits for default under v3

1.11
- fix non C99 #includes

1.13
- inital changes for Splus compatability

1.14
- Namespace imports, other  SPLUS changes

1.15
- Splus for linux debug