Add missed methods #35 #30:

- getHost
- getPort
- getDbNum
- getTimeout
- getReadTimeout
- getPersistentID
- getAuth
- swapdb
- slowLog
- client

- bzPopMax
- bzPopMin

- hStrLen

- geoadd
- geohash
- geopos
- geodist
- georadius
- georadiusbymember

Author: Maksim Kamashev