Make the Esc key in the terminal fire only when it is physically released

[o-sdn-o]

Changes

• Make the Esc key in the terminal fire only when it is physically released.

• Introduce vtm.terminal.KeyEvent({...}, ..., {...}) function.

  attribute	type	description
  keystat	Integer	Key state: 0 - released; 1 - pressed; 2 - repeated.
  ctlstat	Integer	Keyboard modifiers (bit-field).
  virtcod	Integer	Key virtual code.
  scancod	Integer	Key scan code.
  keycode	Integer	Vtm specific key code.
  extflag	Integer	Extended flag (win32 specific).
  cluster	String	Text string generated by the key.

  Example:

  vtm.terminal.KeyEvent({ keystat=1, virtcod=0x1b, scancod=1, cluster='\\u{1b}' })