Merge pull request #355 from abusalam/master

Fixed Issue #354 functions returning void
Merge pull request #358 from abusalam/contrib

Updated PHPDoc comments to match method signatures
Updated Genomics.php

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Updated Tagmanager.php

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Updated Analytics.php

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Stores error text in separate variable
Merge pull request #359 from edgeprod/master

Stores error text in separate variable
Fix year and copyright owner.
Updated Compute.php

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