Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/felixgirault/essence/inspections/9f1c2208-df13-4576-9cf6-aaf2f9ed1c16

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer
Using DomNode
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Merge pull request #65 from felixgirault/scrutinizer-patch-1

Scrutinizer Auto-Fixes