* be local file accesible via fopen, fread functions!
* @param filename The Name of the file to be extracted from archive
* @param simulate if true than class should simulate .HHP-File based on #SYSTEM
* be local file accesible via fopen, fread functions!
* @param filename The Name of the file to be extracted from archive
* @param simulate if true than class should simulate .HHP-File based on #SYSTEM