Merge pull request #16 from eurich/master

MySQL 5.6 fixes
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Merge pull request #17 from OpenImporter/scrutinizer-patch-1

Scrutinizer Auto-Fixes
Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/OpenImporter/openimporter/inspections/c07afe20-3b01-4b49-a7d5-1704e475ef97

Enabled analysis tools:
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 - PHP PDepend
Merge pull request #18 from OpenImporter/scrutinizer-patch-2

Scrutinizer Auto-Fixes