Merging dev branch for v0.0.5
Changelog
- Add packaging for Ubuntu Bionic (18.04), used by Google Colab
- Add license file
- Adds error file path to replace sys.stderr due to colab issues -> stdout and stderr to point to the same file
- Seed in reset_hard modified
- Poller removed
- State variable upper bounded
- Rewards adjusted
- Preinstall specific versions of pip, setuptools and wheel in dh-virtualenv
- ADD version attribute