- overhaul concatenate.py and move to main repo
- Add 4line bin edges
- timing of modules
- subtract t0 option
- warning for when mcinfo maker produces more then one line

- 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