Working support for Interconnect

- Supports up to 255 slave nodes (you'll run into ScanCode limitations before then)
- Requires most recent kll compiler update
- Additional debugging output and stats counters
- Noise and parity checking
- Fixed TxFIFO issue when sending buffers larger than the FIFO
- Cleaned up defaultMap.kll
- Added ScanCode caching (reduces interconnect traffic significantly)
- Interconnect module code is conditionally compiled into PartialMap module if required

Scan/UARTConnect/connect_scan.h

@@ -41,6 +41,7 @@ typedef enum Command {
 	RemoteInput,      // Remote command to send to a given node's debug cli
 
 	Command_TOP,      // Enum bounds
+	Command_SYN = 0x16, // Reserved for error handling
 } Command;
 
 // UART Rx/Tx Status