- The abort() routine from the Output module is now also able to display a link

- The abort() routine from the Output module is now also able to display a link
  at the bottom of the error message. It is a direct wrapper to the error()
  routine.
  Thus, the following error messages now contain a link at the bottom:
  - File not found
  - Accessing above the virtual root directory
  - Creating an object above the virtual root directory
  - Directory where Dev-Editor should create an object does not exist
- It was possible to access the directory containing the virtual root directory.
  Well, it was only read-access.