mapalgebra-0.2.1: CHANGELOG.md

## 0.2.1

- Use certain `massiv` functions more canonically. Should improve performance of
  certain Focal Operations.

## 0.2.0

- `massiv-0.4` minimum bound.
- GHC 8.8 compatibility.

## 0.1.2

- GHC 8.6 compatibility. Requires `massiv` of at least version `0.2`.

## 0.1.1

- Added `histogram` and `breaks` functions for automatically producing
  "break point" lists for functions like `greenRed`. Currently works
  only for `Word8` Rasters.

## 0.1.0

- Initial release.