3.1.2-rc.0

What's Changed

• Remove python 2 code from example by @cadenmyers13 in #88
• test: monkeypatch print_info test by @cadenmyers13 in #89
• tes: print_profiles test by @cadenmyers13 in #91
• style: Add ANSI colors to console printing by @cadenmyers13 in #93
• examples: Add diffpy.srfit examples by @cadenmyers13 in #92
• bug: Fix CI dependency tests by @cadenmyers13 in #94
• doc: Add nanoparticle example by @cadenmyers13 in #97

Full Changelog: 3.1.1...3.1.2-rc.0