0.9.1	* Made improvements and corrected typos in the documention.
        * Fixed typo in an author name.
        * Fixed corner cases bugs in run.sns() 

0.9	* Initial release to CRAN.

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TODO for future releases
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	* elaborate, expose expander framework (may inlcude vignette, regression factory)
	* add 2-paramter expander use-case (weibull survival analysis)
	* add HB regression example