- add muon bundle extractor
- add toml configs for muon bundle extractor
- move neutrino extractors from extractors.py to extractors/neutrino_chain.py (this is backward compatible thanks to __init__.py

breaking:
- rename mc_info_to_float64 to y_to_float64
- add sort_y option

- orcasong is now called legacy
- orcasong_2 is now called orcasong

Other changes:
- Added one line 2017 bin edges to repo
- added unittests
- added versioning for files created with orcasong
- Expanded doc
- Added check to calib if calib has been done to file already