Replicaset test duplicated for ipv6
Refactor tests to avoid duplication
Add code comment
Typo fix
Revert a change that was killing the non-ipv6 test
Update testing dependency
Merge
Merge pull request #238 from voidspace/replicaset-ipv6

Add a test for replicasets with ipv6

replicaset/replicaset_test: add a test for replicasets with ipv6
Improved addresses handling, IPv6 endpoints not dropped when caching, Lots more networking tests