Scrutinizer Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/mateu-aguilo-bosch/ctools_token_access/inspections/6df6c755-a182-4d37-8026-c85432af72ce

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer

Scritunizer improvements.

Fix documentation.