version 0.9.0.4

   fixed bug of not adding changed songs

version 0.9.0.3

    added visualization of notes

version 0.9.0.2

    fixed GUI-Wrapper for BruTE

 version 0.9.0.1

    fixed treating of special characters in paths

 version 0.9.0

    completed first version of the manual

    fixed a bug preventing commit
    added support allowing renaming the jar-archive and still to be replaced after an auto-update
    added infrastructure to support more than one repository or to have the repository on any other place