pysal/tobler: Version 0.4.0

We closed a total of 28 issues (enhancements and bug fixes) through 11 pull requests, since our last release on 2020-06-30. Issues Closed fix docs (#88) Tutorial (#87) reorg notebooks (#86) BUG: have to reset_index on geometry after interpolation (#85) Faster raster (#70) DOC: Update notebooks for api change (#81) jupyter example (#72) add tests for intensive, extensive, and both (#69) Problem running area_interpolate with both intensive and extensive vars (#68) Consider usage of data.store_rasters() for examples (#6) fix concatenation issue and copy inputs (#80) [TST] conditionally skip 3.8 tests needing quilt (#78) bump version (#77) Correct testing in unittests.yml? (#75) Fix tests (#76) add ci dir (#74) update testing/publishing infrastructure (#73) Pull Requests fix docs (#88) Tutorial (#87) reorg notebooks (#86) BUG: have to reset_index on geometry after interpolation (#85) DOC: Update notebooks for api change (#81) fix concatenation issue and copy inputs (#80) [TST] conditionally skip 3.8 tests needing quilt (#78) bump version (#77) Fix tests (#76) add ci dir (#74) update testing/publishing infrastructure (#73