Added line note fixes to issue 62 logic in interface.js
Corrected conflicting syntax and added testing clause for file descriptor argument value
Fixed logic, format, and dependencies according to line note comments from last pull request. Tested on apache localhost server.
Final revisions on removal of arbitrary logic and indentation issues
Added mknod command to create a file or directory node
Merge pull request #190 from gideonthomas/Issue145

Fixes #145
Merge pull request #187 from yoavgurevich/issue62v2

Fixes #62
Fix issue #196: make memory provider DBs sharable
Fix review nit, add test
Merge pull request #197 from humphd/issue196

Fixes #196