Running cbindex causes SEGV

(a) Running cbindex without any parameters causes segfault. Expected: help message
(b) Presumably connecting to a server that doesn't respond will cause segfault too. Expect: error message

$ ./cbindex
17:04:12.317327 [Fatal] Get http://127.0.0.1:9000/pools: dial tcp 127.0.0.1:9000: connection refused
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x627c3]

goroutine 16 [running]:
runtime.panic(0x714f20, 0xc8c024)
/usr/local/go/src/pkg/runtime/panic.c:279 +0xf5
github.com/couchbase/indexing/secondary/queryport/client.(*GsiClient).Refresh(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
/Users/siri/Couch/goproj/src/github.com/couchbase/indexing/secondary/queryport/client/client.go:219 +0xa3
github.com/couchbase/indexing/secondary/querycmd.HandleCommand(0x0, 0xc20813c160, 0xc208083f00, 0xe52d28, 0xc208064008, 0x0, 0x0)
/Users/siri/Couch/goproj/src/github.com/couchbase/indexing/secondary/querycmd/docmd.go:144 +0x1aa
main.main()
/Users/siri/Couch/goproj/src/github.com/couchbase/indexing/secondary/cmd/cbindex/main.go:34 +0x2d7