Implemented functions for retrieving the Username of a IUri.
<div><br></div><div><div>---</div><div> dlls/urlmon/tests/uri.c |   62 +++++++++++++++++++++++-----------------------</div><div> dlls/urlmon/uri.c       |   34 ++++++++++++++++++++-----</div><div> 2 files changed, 58 insertions(+), 38 deletions(-)</div>

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