*add optional arg to --upcoming (default = 1W)
To Do:
--add color/formatting to ls
--readme/man page/usage updates
- -remove Idea from below
-add duration qualifiers to prune/overdue flag
-change duration to be recur duration (until...)
-need to be human readable date
-interactive add mode
-add with start_date+end_date->calculate duration
+-add color/formatting to ls
+-readme/man page/usage updates
+ -remove Idea from below
-bash completions
-update version 1.0.0