Changes in version 0.6-2 (2011-09-07)                  

BUG FIX

    o   Fixed problems when package "lubridate" is loaded.
	lubridate overrides + and - methods for POSIXt, Date and difftime

                        Changes in version 0.6-1                        

MINOR CHANGES

    o   Minor corrections to the documentation

    o   Added one more example to ISOweek2date()

    o   Moved internal functions to separate file, added keyword internal

    o   Corrected email address of maintainer

                 Changes in version 0.6.0 (2011-08-24)                  

MAJOR CHANGES

    o   Added the functions date2ISOweek() and ISOweek2date()

                         Changes in version 0.5                         

MAJOR CHANGES

    o   Code was restructured and rewritten. Comments and variable names were translated 
	from German to English.

    o   Documentation added to R sources using roxygen2

    o   Test cases added for use by test_that