IPv6 support

[Phil Mayers]

On 22/07/13 14:40, Arran Cudbard-Bell wrote:

> Ok. That would be difficult to implement. In SQL especially. So maybe we'll just stick with single values for now.

Yeah, definitely. TBH I keep wondering if a better approach to 
accounting long-term wouldn't be to keep live sessions in something 
NoSQL e.g. redis, then move them to SQL on session close, when the sum 
total of the data is known.