Path traversal exploit fix, move or copy files, new sort, and typo fixes

[Ju1-js]

Features

• Patches an exploit
• Adds a random sort
• Fixes some comment typos
• Localises variable names
• Option to move or copy files to the favorites folder

You should:

• Add a warning that shows when a user tries to access the admin-only directories, I've only stopped the loading of them.