Ruby Jard 0.3.1

This release fixes bunch of bugs, and performance issues reported by the users after beta launch. No new features are introduced.

• Pry and Byebug backward compatibility: #39, #45
• Error with non-UTF8 encoding in the output: #55
• Ctrl+D not working: #34
• Errors if putting jard with <%= jard %> in ERB: #35
• Handle standard stream redirections, and prevent Jard from attachment in invalid TTY device: #38, #46, #53
• Bring back auto-resize when window size changes: #40
• Improve performance after exit command: #49
• Handle edge cases in Jard color decorator: #54
• Escape all special characters and line feeds before printing stuff into the screen: #57