Support for milliseconds

[yoavst]

Add support for setting milliseconds, as epoch time in Java based on millis and not on seconds.

@hotchemi The unit tests works on my machine, do you have any idea why they fail?

[hotchemi]

Thx I'll check.
But I think we don't have any use case for this change, do you need it?

[yoavst]

Well,
Milliseconds are an integral part of Epoch time. Therefore, a time/date library should support it.

If you need a use case, I receive "start of the day" date from the server. However when using beginningOfDay it is not guaranteed to be equal if you don't set the millis to 0.

[yoavst]

?

[hotchemi]

Sorry for the late!

[hotchemi]

Sorry for the late, I'll add the feature later.