Rioxarray

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- Fix setting nodata in _add_attrs_proj (pull 30)

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- Add option to do an inverted clip (pull 29)

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- Add support for scalar coordinates in reproject (issue 15)
- Updated writing encoding for FutureWarning (issue 18)
- Use input raster profile for defaults to write output raster profile if opened with `xarray.open_rasterio` (issue 19)
- Preserve None nodata if opened with `xarray.open_rasterio` (issue 20)
- Added `drop` argument for `clip()` (issue 25)
- Fix order of `CRS` for reprojecting geometries in `clip()` (pull 24)
- Added `set_spatial_dims()` method for datasets when dimensions not found (issue 27)

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- Find nodata and nodatavals in 'nodata' property (pull 12)
- Added 'encoded_nodata' property to DataArray (pull 12)
- Write the raster with encoded_nodata instead of NaN for nodata (pull 12)
- Added methods to set and write CRS (issue 5)

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- Added ability to export data array to raster (pull 8)