USB Macro Output sequences now working!

- Tested both with Boot and NKRO modes

Output/pjrcUSB/output_com.c

@@ -401,6 +401,17 @@ void Output_usbCodeSend_capability( uint8_t state, uint8_t stateType, uint8_t *a
 
 			USBKeys_Changed |= USBKeyChangeState_TertiaryKeys;
 		}
+		// Received 0x00
+		// This is a special USB Code that internally indicates a "break"
+		// It is used to send "nothing" in order to break up sequences of USB Codes
+		else if ( key == 0x00 )
+		{
+			USBKeys_Changed |= USBKeyChangeState_All;
+
+			// Also flush out buffers just in case
+			Output_flushBuffers();
+			break;
+		}
 		// Invalid key
 		else
 		{

Output/pjrcUSB/output_com.h

@@ -53,6 +53,7 @@ typedef enum USBKeyChangeState {
 	USBKeyChangeState_TertiaryKeys  = 0x08,
 	USBKeyChangeState_System        = 0x10,
 	USBKeyChangeState_Consumer      = 0x20,
+	USBKeyChangeState_All           = 0x3F,
 } USBKeyChangeState;