0.5.1
+ * Add *parent* procesor list to Processor
* Simplify and optimize the grapher system
* Add Grapher abstract generic class
* Add a UUID property to Processor
* Fix some assignment issues regarding immutable type in for Analyzer Result
* Simplify analyzer results implementation by introducing a Factory and multiple classes and subclasses to handle the 8 different kinds of results
* Add doctests and improve the unit tests
+ * Add a OnsetDetectionFunction analyzer
* Update documentation
* Various cleanups
* Various bugfixes