fix for the service or command errors from being hidden when a single tag or fragmented tag read fails.  they were being hidden b/c an exception would be thrown trying to parse a failed read, so the error would not indicate why the read failed just that it failed to parse the value
fix for the service or command errors from being hidden when a single tag or fragmented tag read fails.  they were being hidden b/c an exception would be thrown trying to parse a failed read, so the error would not indicate why the read failed just that it failed to parse the value

ottowayi/pycomm3