v0.2.1a1

Added

• Version string to the stactools.testing module.
• PySTAC v1.0 support (#113).
  Primary changes are to input/output and extensions.

Fixed

• Console script entry point, which was accidentally dropped during the v0.2 reorganization (#139)
• External data support for stactools.testing (#135)

Changed

• Bumped rasterio version to v1.2

Removed

• validate_cloud_optimized_geotiff.py from stactools.testing