0.0.3

Changed:

• build_docker_environment refactored into two functions to expose
  an internal function build_docker_environment_image to be used by
  libraries e.g. conda-store

Fixed:

• Use copies if conda installation and temporary directory are on different devices
• JSONDecodeError when using a list of package specification

Authors:

• Anthony Scopatz
• Chris Ostrouchov
• Chris Burr
• Julian Rüth