Fix namespaces#3

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dottxado wants to merge 2 commits intoTechworker:masterfrom

dottxado:fix-namespaces

Commits on Aug 29, 2020

Fixed the Emphasis.php namespace to comply with PSR-4 rules
Erika Gili
committed
Fixed the InvalidElementException.php namespace to comply with PSR-4 rules
Erika Gili
committed