+ * virt-top/virt_top_calendar.ml: Added --end-time option.
+ Extra optional dep on ocaml-calendar.
+ * virt-top/virt-top.pod: Document how to compress and split
+ CSV files. Document --end-time option and time formats.
+ * virt-top/virt_top.ml: Allow sub-second delays when in batch
+ and script mode.