Version 0.1.3a2

[yxqd]

Changes in 0.1.3a1:

• replace scipy resize with PIL resize in imagedisplay.py #88: replace scipy resize with PIL resize
• There are more

Things to do

• Update version numbers in _version.py/meta.yaml/package.json
• git add and git commit
• tag: git tag -a X.X.X -m 'comment'
• push: git push ; git push --tags
• update recipe at https://github.com/conda-forge/ipywe-feedstock/tree/master/recipe.
  • cmd to get sha256: openssl sha256 /path/to/...tar.gz