The path to v1.0

[lzkelley]

The following goals should be achieved or addressed before an eventual alpha/"product" version of the AstroCats package.

• [x] Easily installable via pip.
• [ ] Easily usable for development.
• [ ] Easily usable or analysis of existing catalogs/projects.
• [ ] Data products and repos can be easily moved / stored in different locations, optionally separate from the source-code.