Date Support Working
Added support for automatic detection of Date objects. Date objects will result in a field type of 'D'. Original code from @jeff-tenhave but json2dbf is updated to work with newer versions of node.
Looks good to me! One other thing would be to do a version bump in package.json. I would do 0.3.0 instead of 0.2.1 because this does change some underlying implementation and could cause issues for people.
Looks great to me! @chriswhong if/when you have bandwidth, would you be able to merge these changes in? I'm not sure what the npm deployment story is like as I didn't have access to that, but I did work with Sean on this PR and it works well.