MACS3 v3.0.1

What's Changed

• fix labels for signal files from hmmratac by @philippadoherty in #611
• remove cython from setup.py requirements by @taoliu in #612
• documentation with Sphinx by @taoliu in #618
• Jaccard Index method to test similarity of outputs by @taoliu in #619
• patch hmmlearn, fix dependencies by @taoliu in #620

Full Changelog: https://github.com/macs3-project/MACS/blob/release/macs3/3.0.1/ChangeLog