Support Connector without DNS#46

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clue merged 5 commits intoreactphp-legacy:masterfrom

clue-labs:resolving

Nov 21, 2015

Commits on Sep 24, 2015

Commits on Nov 18, 2015

Mark internals as such in order to avoid a future BC break
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Commits on Nov 20, 2015

Improve exception error message
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