This allows access to the HTML import during route events,
which would allow things like registering script callbacks
for templates as described in #81
Also this would allow for "unimporting" the route HTML import
from a route context, also mentioned in #81
This allows access to the HTML import during route events, which would allow things like registering script callbacks for templates as described in #81
Also this would allow for "unimporting" the route HTML import from a route context, also mentioned in #81