0.6.73 -> 0.6.79
================

* [Added] Bind ENTER as Play
* [Added] Bind SPACE as Play/Pause
* [Added] Optional "Enable Argument '-volume'" to set starup volume
* [Added] Optional "Allow send command while paused (for MPlayer2)"
* [Changed] "Send command... Ctrl+C" to "Send command... Ctrl+D"
* Other minor improvements and bug fixes

