Adding onto #7

[jsignell]

• Moving from using setup.cfg to setup.py
• Adding the concept of a 'role' (dev or user)
• Cleaning up help output
• Updating conda_ecosystem deps to allow python3.7
• Adding another set of deps to extra_requires

[jsignell]

I am closing out some old PRs, and came across this one :) ... closing.

[jbednar]

Thanks for tidying!