This directory contains the development version of the irregular time-series
package its.  This is an informal revision history.

The initial version 0.1.0 was sent to Kurt Hornik 18th July 2003.

The first release version 0.1.1 was sent 22nd July 2003

The version 0.1.2 was completed 20th September 2003 incorporating the following 
changes:

   o removed logic to take special action on logical subscripts
   o allow append() to operate on NULL
   o fix and extend documentation
   o 'at' passed to axis.POSIXct() by plot()
   o 'format' passed to axis.POSIXct() by plot()
   o handling of NAs in plot() - options
   o linetype options in plot()
