Merge pull request #19 from NASA-IMPACT/fix/hls-vi-processing-time

Fix HLS-VI_PROCESSING_TIME spelling and other metadata names

Merge pull request #18 from NASA-IMPACT/fix/rasterio_versioning

Fix id_str arg parsing short value and doc string.

Merge pull request #17 from NASA-IMPACT/fix/rasterio_versioning

Use dataclasses backport for Python 3.6 and force container to 3.6.

Merge pull request #15 from NASA-IMPACT/fix/rasterio_versioning

Relax rasterio versioning so container's non-wheel installation is used.

Merge pull request #14 from NASA-IMPACT/granule_id_param

Include an idstring parameter to allow arbitrary inuputdir naming.

Ensure offsets and scales are lists of floats (#12)

Fixes #3