* New since version libbow version 0.6.The library and its front-ends now take GNU-style long-options.  Forexample, to see the new rainbow options, execute "./rainbow --help".NOTE: Several of the options have changed.  For example, `-R' shouldbe replaced with `-O'.  WARNING: One of the options as reversed meaning!  Pre-version-0.7,stemming was on by default; `-S' turned it off; now, stemming isturned off by default; `-S' will turn it on.WARNING: The data file format for models have changed.  You will haveto re-build any rainbow or arrow models you created with libbowversion 0.6.  Otherwise rainbow or arrow will crash when reading inthe old models.