Add package-lock.json file.

Fixes #129 (add input value option to docs).

Move sponsor to top.

Add sponsor section.

Bump patch version

Change demo url

Update README

Implement customizable positions (top/bottom) for every component.

Update demo.gif

Add blur event for date day and year. Minor refactoring.

Date is now text-editable and smarter. Other minor improvements.

Add missing curly braces.

Allow callback declaration within function objects. Add select cancel callback.

Bump minor version.

Slightly increase font sizes.