Added an accessor that returns the port as an integer.
Added test for port<int> failure if the port is not explicit. Fixed bug in authority implementation.
Updated some of the code in the URI normalization, including some tests that were invalid.
The percent encoding normalization is fux0r3d, so I'll commit minor improvements now and think about it later.
Percent decoding code now at least compiles :$
Added uri member to uri_builder.
Updated URI test failures.
Updated URI decoding tests.
Updated comparison and normalization tests.
Merge pull request #33 from glynos/master

New changes based on updates to last WG21 proposal