Added separate header for the directorly listings theming constants like arrays etc. Added start of command implementations for the dos commands in separate class and files. Added a few extras notes. Definitions and structures like errors strictly related to commodore in new separete header that can be shared between arduino and PC host projects.
For filesystems now separate fopen for write mode, prepared parameter signature for checking whether replace is allowed. Using CBM header file for error definitions. Some logging calls modified.
Project file now has new file additions. Logger has some changed method names to comply with coding style.