Updated Queries, removed ifExists, tested and ready to go
Update DatabaseQueries.php

Here are the correct queries. Sorry about the mix up
Update DatabaseQueries.php

Changed DeleteUsers to DeleteUser
Added .gitkeep to add /data/users dirs
Fix tab editor size issue and get rid of alert pop up windows
Changed root dir.
Added data/users/.gitkeep. Updated .gitignore
Updated GitCommands to set the GIT_EDITOR env variable
Added installation instructions.