0.8.1 (2020-05-29)

• Bump up version #99 @mosuka
• Change web framework to Hyper #98 @mosuka
• Change the web framework of Metrics Server to Hyper #97 @mosuka
• Add example self-signed certificate #95 @mosuka
• Add GitHub Actions Integration #94 @messense
• Update jieba-rs to 0.5.0 #93 @messense
• Fix typo in CLI flag #92 @mosuka
• Support TLS on REST server #91 @mosuka
• Support CORS on REST server #90 @mosuka
• Merge CLI code #88 @mosuka
• Migrate to Actix web from Iron #87 @mosuka
• Refactor metrics server #86 @mosuka
• Combine the handlers into one file #85 @mosuka
• Refactor REST server #84 @mosuka