Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/Spomky-Labs/otphp/inspections/b2afc2d4-a80b-4250-8325-3cef6e8e744e

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - Security Advisory Checker
 - PHP Copy/Paste Detector
 - PHP PDepend
 - External Code Coverage
 - PHP Change Tracking Analyzer
Merge pull request #17 from Spomky-Labs/scrutinizer-patch-1

Scrutinizer Auto-Fixes
Merge remote-tracking branch 'origin/master' into develop