Merge pull request #50 from bonk-se/master

Accept-Charset and protected instead of private
Update imdb.class.php

regex fix
Update imdb.class.php

fix
Update imdb.class.php
Updated composer.json file.
Merge pull request #54 from bla0r/patch-4

Update imdb.class.php
Merge branch 'master' of https://github.com/FabianBeiner/PHP-IMDB-Grabber
Fixed false positive.
Added new test.
Updated to 5.5.20.
Forgot a space. Still 5.5.20. :)
Forgot to update version, sorry!