1. Administration - Administrative functions
Functions
- File - Constructor
 - accessMode - Access mode
 - close - Close file
 - directory - Directory path
 - exist - Does file exist
 - extension - Get file extension from file path
 - fileName - Get file name from file path
 - isDirectory - Does file path refer to a directory
 - isFile - Does file path refer to a file
 - isOpened - Is file opened
 - open - Open file
 - path - File path
 - size - Get file size
 - ~File - Destructor
 

