MMEDS/0.8.0

This release covers:
-Review code base and determine what features are no longer used and need to be removed.
-Address issues #371, #353 and #337: how should data and studies be stored within MMEDS (single study, multiple runs; multiple studies, single run; multiple studies, multiple runs), how do we reload old studies, backup data, and how do we perform meta-analyses.

What's Changed

• Enhancement analysis testing by @mstapylton in #383
• Bump numpy from 1.19.4 to 1.21.0 by @dependabot in #394
• Rolling back analysis testing to working version by @mstapylton in #398
• Enhancement study sequencing separation by @adamcantor22 in #397
• Enhancement dump reload by @adamcantor22 in #417

Full Changelog: v0.7.1...v0.8.0