Run Travis build also on PHP 5.6
Merge pull request #5761
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Merge pull request #5751
Merge pull request #5557
Fixes #4926
Merge pull request #5786
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Merge pull request #5805 from feliperamaral/patch-1

Removed comment var_dump
Merge pull request #5815
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Merge pull request #5831
Merge pull request #5831 in develop
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Merge pull request #5567
Merge pull request #5567 in develop
Merge pull request #5567 in master