bw2simple: Simple proxies for Brightway2 objects

This is a small package that makes it easier to interact with Brightway2 objects in the command line, so you no longer have to worry about process keys like ("foo", "b68fe2e7f871f48970e958f476fbaeea").

See the introduction video on youtube.

So far, there are proxies for activities and exchanges:

• Activity simple proxy
• Exchange simple proxy
• Exchanges: list of Exchange proxies