+22May99=======================================================================
+1. added check for -1 from Date::Parse and return undef for out of range dates
+2. added show/files and type commands
+21May99=======================================================================
+1. made set/nodx work again.
+2. made dx stuff queue nicely again.
+18May99=======================================================================
+1. Added announce dup checking.
+2. Added system announce filtering.