Protects from fatal error in browsers with no HTMLElement

Looking at you, ie8

Signed-off-by: Christopher Rogers <chrissrogers@gmail.com>
Updates test runner account and readme

Signed-off-by: Christopher Rogers <chrissrogers@gmail.com>
Updates dom.value to use radio node checked property instead of css selector

Signed-off-by: Christopher Rogers <chrissrogers@gmail.com>