OSU-Net/cyder — pull request #146 by drkitty (2013-07-15 00:34:36+00:00)
Title: Cache Maintain zones to improve lookup speed

I probably shouldn't have wasted time on this, but I DID IT ANYWAY. And regardless it was pretty easy.

master (88feacb):
```none
ncalls tottime percall cumtime percall
11118 0.200 0.000 954.430 0.086
```

dhcp_migrate-speed (43e1471):
```none
ncalls tottime percall cumtime percall
11118 0.071 0.000 18.305 0.002
```