sievePH 1.0.4 [01-Feb-2023]
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* Update: added a ggplot-style plotting method

sievePH 1.0.3 [03-May-2022]
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* Update: added a stratified Cox model option

sievePH 1.0.1 [05-Dec-2019]
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* Update: replaced several calls of class() with inherits() in anticipation of a new behavior where matrix objects will also inherit from class "array"

sievePH 1.0.0 [22-Feb-2019]
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* Initial release on CRAN