The other data elements have a space, so I'm guessing that RSSI
is intended to as well. Perhaps there's some subtle reason why
it should have a space, though, in which case feel free to
close this.
Output now looks like this:
```
>>> 58:D3:49:E7:40:DA/P [PUBLIC]:
RSSI: -67
[Flags]: LE General,BR/EDR C,BR/EDR H
[TX Power Level]: 4
[Manufacturer Specific Data]: company=Apple, Inc., data=0f08c00af4392b00040c10020f04
```