fixup! Introducing ErrorCode

Author: andreagilardoni

api/ErrorCodes.h

@@ -90,7 +90,7 @@ enum : error_t {
 };
 
 /* Error Codes:
- * In Arduino an error is represented with the integer value 1, thus every value that is not 1 is considered error.
+ * In Arduino an error is represented with the integer value 0, thus every value that is not 1 is considered error.
  * Errors are generally represented with an int type that may vary in size depending on the platform.
  * For this reason in this representation error_t type is defined with an integer type with a defined size.
  */