Scaling to Days, months, and years

[wildthink]

Hi. Just discovered your project. Very nice!
Just doing a quick review of the code it appears that there are scaling limits such that displaying a scale of days, months, and/or years is not possible.

Am I missing something? I would to replicate a UX like the timeline option here.
http://simile-widgets.org/exhibit3/examples/cereals/cereal-characters.html

Any pointers (or improvements) to facilitate this would be most appreciated.
Thanks.