Changes in Version 0.4-5

   - moved "Lagged" to a separate package, "lagged".

   - streamlined acfIidTest() and documented it properly.

   - new vignette based on example in Chapter 7 of James Proberts' MMath
     project.

Changes in Version 0.4-0

   - first version for CRAN.

Changes in Version 0.3-6

   - white noise tests based on acf and pacf and  corresponding plots.
   - vignette.

Changes in Version 0.3-5

   - revamped "Lagged": introduced Lagged2d, etc.; mixed Ops, e.g. "Lagged" +
     "vector", now work only if "vector" is of length one or multiple of the
     length of e1@data has the same length as the vector.

Changes in Version 0.3-4

   - removed some old commented out code from sarima.org to reduce clutter.
   - extensive changes and consolidation.

Changes in Version 0.3-3

   - streamlined SARIMA models and the functions based on old code.
     Keeping the old code (commented out) for reference.

Changes in Version 0.3-2

   - defined the classes for autocorrelations and similar.
   - autocorrelations() and similar now have a number of methods.
   - passes 'R CMD check'. Most classes have only fake documentation
     in VirtualMonicFilter-class.Rd.

Changes in Version 0.3-0

   - switched to package PolynomF (from polynom).
   - new classes for models, including ARMA and SARIMA.
   - R CMD check passes 9only a WARNING for undocumented objects and S$ methods.

Changes in Version 0.2-x

   - added new classes, substantial extension.
   - renamed sarima.sim() to sim_sarima()

Changes in Version 0.1-0

   - updated and cleaned a bit the old code.

Changes in Version 0.0-5

   - removed argument "eps" from fun.forecast since it is ignored.

Changes in Version 0.0-3

   - sarima.mod now sets class "sarima" for its result.
   - print method for "sarima" class.

Changes in Version 0.0-2

   - inserted examples from lectures and handouts from past years.

Changes in Version 0.0-1

   - created documentation using the comments in the source code.

Changes in Version 0.0-0

   - turned atssarima.r (written in 2006-2007 for course "Applied time series")
     into a package.
