Update version

Author: stefvanbuuren

DESCRIPTION

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 Package: brokenstick
 Type: Package
 Title: Broken Stick Model for Irregular Longitudinal Data
-Version: 0.71.0
+Version: 0.72.0
 Authors@R: person("Stef", "van Buuren", email = "[email protected]", role = c("aut","cre"))
 Description: The broken stick model describes a set of individual curves by a
     linear mixed model using first order linear B-splines. The main use of the model

NEWS.md

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+# brokenstick 0.72.0
+
+- Adds badges, resources and references to README
+- Updates license
+- Updates CITATION
+
 # brokenstick 0.71.0
 
 - Removes the dependency on `growthstandards`