Changes in version 1.5.1 (2020-05-04)
+ Updated citation

Changes in version 1.3.1 (2020-02-18)
+ The default gamma parameter in NBAMSeq changed from 2 to 2.5.
+ The NBAMSeq function now supports fitting linear model after 
  fitting GAM model.

Changes in version 1.1.1 (2019-08-16)
+ Added a new function makeplot.
+ Visualization part in vignette is modified.

Changes in version 0.99.1 (2019-02-13)
+ Package created.
