Version 0.1.0

   o fixed some bugs

   o implements univariate control charts

Version 0.0.6

   o fixed some bugs

Version 0.0.5

   o fixed some bugs

   o summary function is simplified

   o S3 functions (summary, plot) are registered

Version 0.0.4

   o fixed some bugs

   o summary function is specified

   o t2unc sample data is specified


Version 0.0.3

   o fixed some bugs

   o plot function is specified


Version 0.0.2

   o package release on GitHub.