0.13

• Remove Crossterm type
• Remove TerminalCursor, TerminalColor, Terminal
• Remove cursor(), color() , terminal()
• Remove re-exports at root, accessible via module::types (cursor::MoveTo)
• input module
  • Derive 'Copy' for 'KeyEvent'
  • Add the EnableMouseCapture and EnableMouseCapture commands
• cursor module
  • Introduce static function crossterm::cursor::position in place of TerminalCursor::pos
  • Rename Goto to MoveTo
  • Rename Up to MoveLeft
  • Rename Right to MoveRight
  • Rename Down to MoveDown
  • Rename BlinkOn to EnableBlinking
  • Rename BlinkOff to DisableBlinking
  • Rename ResetPos to ResetPosition
  • Rename SavePos to SavePosition
• terminal
  • Introduce static function crossterm::terminal::size in place of Terminal::size
  • Introduce static function crossterm::terminal::exit in place of Terminal::exit
• style module
  • Rename ObjectStyle to ContentStyle. Now full names are used for methods
  • Rename StyledObject to StyledContent and made members private
  • Rename PrintStyledFont to PrintStyledContent
  • Rename attr method to attribute.
  • Rename Attribute::NoInverse to NoReverse
  • Update documentation
  • Made Colored private, user should use commands instead
  • Rename SetFg -> SetForegroundColor
  • Rename SetBg -> SetBackgroundColor
  • Rename SetAttr -> SetAttribute
  • Rename ContentStyle::fg_color -> ContentStyle::foreground_color
  • Rename ContentStyle::bg_color -> ContentStyle::background_color
  • Rename ContentStyle::attrs -> ContentStyle::attributes
• Improve documentation
• Unix terminal size calculation with TPUT