fix(core): Detect when sources or src attribute has been changed
fix(core): Detect when sources or src attribute has been changed

Detect when sources or src attribute has been changed

close #547

videogular/videogular2,amitkumarmahajan/videogular2,videogular/videogular2,kwarismian/videogular2,kwarismian/videogular2,kwarismian/videogular2,amitkumarmahajan/videogular2,amitkumarmahajan/videogular2,videogular/videogular2