#420 Removing usage of Array.find since it's too new (incompatible with some of the browsers we support).
#420 Removing usage of Array.find since it's too new (incompatible with some of the browsers we support).

CelineBoudier/rapid-router,mikebryant/rapid-router,mikebryant/rapid-router,CelineBoudier/rapid-router,mikebryant/rapid-router,CelineBoudier/rapid-router,mikebryant/rapid-router,CelineBoudier/rapid-router