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                         C H A N G E   L O G
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Version 0.1.2a  2010-12-31
    * Clean up most functions.
    * Added six new statistics functions:
      midhinge, quartile_skewness, cumulative_sum, running_sum,
      stderrskewness, stderrkurtosis
    * Hinges are now also available as a dedicated function, as well as
      via the quartile function.
    * Emulate all nine of R's quantile types, plus one that R doesn't
      include, plus Mathematica's parameterized quantiles.
    * The private module containing quantile code has been merged with
      the main module. Apart from tests, all code is (temporarily) now
      in one file.
    * Many more tests. There are now more lines of code in the tests than in
      the library (approx. 2:1 excluding docstrings, blanks and comments.)
    * skew renamed to skewness.
    * qcorr now returns NAN if all the data points lie on the medians,
      and raises an exception if there are no data points.
    * sum, product and friends now include an optional start argument,
      similar to the built-in sum function.
    * Many enhancements and bug fixes, too many to list.

    Known issues:
    * Test coverage is better, but still incomplete.
    * Executable examples and more documentation are needed.
    * Quantile scheme #3 doesn't match the parameterized version.
    * This will be the last version in a single module. The next version
      will (re-)introduce a package structure, which will give more
      flexibility and a better UI.
    * Expect some API changes in the next version.
    * Still a question mark over the Windows binary installer.


Version 0.1.1a  2010-11-14
    Many changes since the initial release:
    * The project has a home page outside of PyPI:
      http://code.google.com/p/pycalcstats/
    * stats is now aimed at Python 3.1 or better. Support functions for
      older versions have been removed.
    * Many more statistics functions.
    * Tests are now worthy of the name.
    * Serious numerical instability in variance and standard deviation
      due to use of a naive algorithm has been corrected. (Thanks to Kurt
      Smith for spotting this).
    * I now know more about quartiles than I ever hoped to learn :(

    Known issues:
    * This is still alpha software. The API is not yet locked down: function
      signatures or even names may still change.
    * Many more tests are required. Test coverage is good, but incomplete.
    * Multivariate functions including cov, corr and linr are still painfully
      naive and need work.
    * Better documentation, including executable examples.
    * Quantile-related functions are split off into a private module, but
      without the full package structure. I'm not sure this is the right way
      to do it.
    * Not all quartile/quantile modes are supported yet, or fully debugged.
    * Windows binary installer appears to be broken.

    Thanks also to Geremy Condra for his efforts.

Version 0.1a    2010-10-18
    Initial release, for Python 2.5.


