mcorteel

I always found this icon very wrong, and you are right, the lack of vertical centering really is the issue. I did what I could using inkscape:  I also...

Actually, setting `minDate` or `maxDate` to `null` breaks keyboard navigation. [The documentation](blob/master/docs/datepicker.md) marks these props as `object`, but I guess `null` should be ok too! So, the only solution is...