File Manager System: Manipulate server side files and directories

This class can be used to manipulate files and directories stored on the server side.

It can perform several types of operations on files and directories like:

- List and retrieve information of files and sub-directories of a given directory sorted by several types of parameters
- Remove files and directories from a list
- Search for files and directories by name
- Create, rename and delete directories
- Create, rename, move, copy, delete, upload and highlight files