Removes TODO

Adds ext-mbstring to composer.json require key

Merge pull request jeremykendall#33 from jeremykendall/fix/issue-32

Adds ext-intl to composer "require" key, updates README.  Closes jeremykendall#32.

Adds mb_parse_url, deprecates Parser::mbParseUrl

Updates IDNA documentation

Merge pull request jeremykendall#31 from jeremykendall/feature/idn-su…

…pport

Adds IDNA support

Merge branch 'develop' of github.com:jeremykendall/php-domain-parser …

…into develop

Merge pull request jeremykendall#23 from jeremykendall/fix/22

Adds the ability to properly parse single label domains (e.g., localhost, foo, etc.)

Updates copyright/license year

Adds parser example to bin, removes ctagger dev dependency