Adding basic CLI functionality.

- Supports multiple custom command dictionaries
- Basic handling of control characters
- Initial dictionary for integrated commands

Debug/print/print.h

@@ -109,6 +109,7 @@ void int16ToStr ( uint16_t in, char*  out );
 void hexToStr_op( uint16_t in, char*  out, uint8_t op );
 void revsStr    ( char*  in );
 uint16_t lenStr ( char*  in );
+uint8_t eqStr   ( char*  str1, char* str2 ); // Returns 1 if identical, 0 otherwise
 
 #endif