3.4.0

3.3.9

refactor

- fixes #65 - RFC 1034 Domain name label changed to maximum 24 chars

- complete refactor for URL Regex (https://gist.github.com/dperini/729294)

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Better UMD wrapper (for resolving some issues I encountered when impo…

…rting via webpack)

Improved tests flow, so the "linked fields" tests will only run after…

… the normal tests and also only if all linked fields have value

fixed a bug with validating linked fields

added type "checkbox" to README.md