What's Changed
* Allow the concatenation of independent data sets with common tracers by carlosggarcia in https://github.com/LSSTDESC/sacc/pull/63
* Deprecated numpy alias by xgarrido in https://github.com/LSSTDESC/sacc/pull/65
* Added method to rename tracer (issue66) by carlosggarcia in https://github.com/LSSTDESC/sacc/pull/68
* Added method to remove tracer and the data associated (issue67) by carlosggarcia in https://github.com/LSSTDESC/sacc/pull/69
New Contributors
* xgarrido made their first contribution in https://github.com/LSSTDESC/sacc/pull/65
**Full Changelog**: https://github.com/LSSTDESC/sacc/compare/0.4.9...v0.5