added some fields to the DateTime class, to allow for overriding any of the random values
added POD for year, month, day, hour, minute and second
Updated the POD of the Lorem class to indicate that an array ref can be passed for words, sentences and paragraphs
Removed the $VERSION from all the packages that are not distributed separately, nor intended to be used outside the context of Data::Maker itself.  Also updated the CONTRIBUTORS section of the main POD page.