message: Changed error message for consistency
  Matches the 'empty string' in convertTo error message
diff: @@ -18,20 +18,20 @@ class ArrayConverter extends TypeConverter {
  if (vals[i].length !== 0)
  arr.push(this.converter.convertFrom(vals[i].replace(/0-/g, '-')));
  else
  - throw Error('\'\' is not a valid array item');
  + throw Error('Empty string is not a valid array item');
  }
  } else {
  if (val.length !== 0)
  arr.push(this.converter.convertFrom(val));
  else
  - throw Error('\'\' is not a valid array item');
  + throw Error('Empty string is not a valid array item');
  }
  } else {
  for(var i = 0; i < val.length; i++) {
  if (val[i].length !== 0)
  arr.push(this.converter.convertFrom(val[i]));
  else
  - throw Error('\'\' is not a valid array item');
  + throw Error('Empty string is not a valid array item');
  }
  }
  return arr;
  