Support scheme less initialization of Address by AddressFactory

[akifuji]

What problem does this feture solve?

Enable to initialization of scheme less address

Describe what you've considered?

Currently Acceptable :
bitcoincash:qpjdpjrm5zvp2al5u4uzmp36t9m0ll7gd525rss978

Currently Unacceptable :
qpjdpjrm5zvp2al5u4uzmp36t9m0ll7gd525rss978

Code sample / Spec

let cashAddr: Cashaddr = AddressFactory.create("qpjdpjrm5zvp2al5u4uzmp36t9m0ll7gd525rss978")