Fixed URI encode_char bug: https://github.com/cpp-netlib/cpp-netlib/issues/362.
Added test for authority bug: https://github.com/cpp-netlib/cpp-netlib/issues/364.
Merge remote-tracking branch 'upstream/master'
Updated copyright date in uri_encoding_test.cpp
Merge pull request #45 from glynos/master

Tested and fixed a couple of bug reports.