[new] (breaking) Remove interfaces
[fix] (breaking) Fix method name not matching php function
[dev] Rename method param to better describe its purpose
[new] (breaking) Rename LinkResource to Ldap
[new] Ldap::escape() implemented for PHP >= 5.6

See docs: http://php.net/manual/en/function.ldap-escape.php
[dev] Update README to reflect recent changes
[new] (breaking) Required PHP version is now >=5.4.26

Because ldap_modify_batch has been implemented in this release
[dev] Update dependencies
[new] No longer require support for ldap_modify_batch

This feature has been made optionally available on all versions of PHP
above 5.4.
[dev] Formatting improvements
[dev] Simplify Active Directory error code extraction

Previous solution looked like I never heard of regular expressions...
[dev] Update dev dependencies
[dev] No longer allow failures on Travis builds with PHP 5.6
[dev] .travis.yml formatting improvements