Major Features And Improvements
* Support multiple versions of the official CTA DL1 data model 107
* Moved the class weights calculation for unbalanced datasets from CTLearn to the DL1DataReader 108
Bug Fixes and Other Changes
* Formatted via black
* Updated the README with installation instructions
* Enhance version handling
Known Issues
* Increase of RAM usage in the DL1DataReaderSTAGE1, when the DL1 files are split by tel_id. Issue 104. At the moment it is recommended to use the DL1 files, where the telescope tables are split by tel_types.