v0.0.6

* Fix: builds with browserify `standalone` option and adds a trailing semicolon to built JS file

v0.0.5

* removes duplicate CSS
* cleans up importing in SCSS

v0.0.4

• adds better support for valid and invalid classes on both input fields and rendered fields
• adds support for default card values
• uses more specific CSS classes
• fixes support for IE10
• fixes mobile rendering for small widths