The its package contains an S4 class and some functionality for handling
irregular time series.

For correct installation on Windows, the zip file should be installed using
Rcmd INSTALL --save its.  Installation using 'RGUI packages-install local zip'
menu will result in generic functions loading into .GlobalEnv, where they
could be deleted or corrupted.

Thanks to John Chambers and others for help, and to Adrian Trapletti and
others for encouragement - and of course they have no responsibility for
any shortcomings.

Version 0.1.0 is tentative, and feedback is welcome.
