TODO items

• Add support for different batch systems, e.g. htcondor
• Integrate gbasf2 as another batch system
• Document the API of the task class
• Add more examples on how to do complex tasks with a full “analysis example”.
• Add a function for writing into temporary files and moving automatically
• Add helper messages on events (e.g. failed)
• Clearly document that there is currently no implementation for dependencies on demand!
• port b2luigi to basf2