Added a set method to set a localizable object property specific lang…#6

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elincognito:feature/SetWithLanguageMakeUpdateEasier

Commits on Oct 27, 2016

Added a set method to set a localizable object property specific language given its (languageKey, value)
arseniocosta1
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Commits on Nov 4, 2016

Fixed issue with possible null
arseniocosta1
committed