nitper

use utf8mb4 for names and altnames

1

The alternate_names data has utf8 characters that are longer than 3 bytes, so we need to change the character encoding and collation to `utf8mb4` - see [here](https://stackoverflow.com/questions/13653712/java-sql-sqlexception-incorrect-string-value-xf0-x9f-x91-xbd-xf0-x9f) and [here](https://dev.mysql.com/doc/refman/5.6/en/charset-unicode-utf8mb4.html). **This...

fix Scan() to output the correct IP and Port

1

`Scan()`: pass copies of `ip` and `port` into the goroutine fixes #4