golang/redisConn testing has a bug

[rilma]

Turns out that there is a bug in the testing script of redisConn subdirectory. May require an analysis for a fix

@rilma ➜ /workspaces/redis-in-action/golang (master) $ go test redisConn/redisConn_test.go -v
# command-line-arguments [command-line-arguments.test]
redisConn/redisConn_test.go:10:18: undefined: CheckVersion
redisConn/redisConn_test.go:14:17: undefined: CheckVersion
redisConn/redisConn_test.go:21:10: undefined: ConnectRedis
redisConn/redisConn_test.go:22:12: undefined: NewClient
FAIL    command-line-arguments [build failed]
FAIL
@rilma ➜ /workspaces/redis-in-action/golang (master) $ 

[rilma]

I missed the inclusion of redisConn/redisConn.go at the command line above. To raise clarity, I have raised #102 that may close this issue.