UnusedUse - fix false negative when namespace shortname equals imported namespace shortname
bug #620 UnusedUse - fix false negative when namespace shortname equals imported namespace shortname (keradus)

This PR was squashed before being merged into the 1.0.x-dev branch (closes #620).

Discussion
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UnusedUse - fix false negative when namespace shortname equals imported namespace shortname

UnusedUse - fix false negative when namespace shortname equals imported namespace shortname

Commits
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100eed0 UnusedUse - fix false negative when namespace shortname equals imported namespace shortname