Zcluster

Release Summary
* Faster fetching of DECaLS DR10 photometry by using the NOAO `datalab` interface (use `DL_DECaLSDR10 `as the database name)
* Bug fixes

What's Changed
* Dev by mattyowl in https://github.com/ACTCollaboration/zCluster/pull/27

**Full Changelog**: https://github.com/ACTCollaboration/zCluster/compare/v0.3.0...v0.4.0

Release Summary
* DECaLS DR10
* Cython no longer required
* Bug fixes

What's Changed
* Memorysaving by mattyowl in https://github.com/ACTCollaboration/zCluster/pull/23
* Dev by mattyowl in https://github.com/ACTCollaboration/zCluster/pull/25
* Allow both faint and bright abs mag cuts by mattyowl in https://github.com/ACTCollaboration/zCluster/pull/26


**Full Changelog**: https://github.com/ACTCollaboration/zCluster/compare/v0.2.0...v0.3.0

Mostly bug fixes and additional docs, plus density map error estimation.

First release after switching version numbering and adding docs