Closes #922
Merge pull request #920 from wpreul/master

Upping version to 1.7.3
remove connection event listeners when server stops
Merge pull request #923 from iamdoron/master

remove connection event listeners when server stops
Fix trailing slashes in directory listing
Merge pull request #924 from spumko/issue/922

Issue/922
Fixing edge case where bad path can cause issues with url.parse expectations