File Management
| GB.ExistFile | Returns if a file exists. | 
| GB.FileName | Converts a UTF-8 charset encoded file name into a system charset encoded file name. | 
| GB.GetTempDir | Returns the directory where temporary files are stored. | 
| GB.LoadFile | Loads a file in memory. | 
| GB.RealFileName | Creates and returns a temporary real file for files located in Gambas executables. | 
| GB.ReleaseFile | Releases the memory used by a loaded file. | 
Overview
These functions allow you, among other things, to load a file from the current component or project,
and deal with different charsets between the one used by Gambas (UTF-8) and the one
used by the system.