v0.4.0

What's Changed

• Added custom styling support for the different styles used in messages
• Added custom Timestamp format
• UI Improvements
• New appearance tab, and formatting preview area
• Clickable channel names in messages (Can be styled separately from URLs)
• Various bug fixes
• Performance improvements, particularly around the styling of messages

Developer stuff

• Added Jacoco for test code coverage
• Using TestNG for testing

Full Changelog: v0.3.1...v0.4.0