PUBLISHED_FROM=533e134a48e0fca55509c3eb16b0a6b64c1188e8

Remove the specialized URI parser, clean up code a bit.

Fix parsing of URIs with IPv6 hosts (http://[2001:2:3::4]:567/)

PUBLISHED_FROM=968ad97585d928123106ce3828920ee073113f83

PUBLISHED_FROM=e9a4e5c7b4a1d03b93a2a79e29de19e60e919929