Added features
• Added support for TS.QUERYINDEX, TS.ALTER, TS.INCRBY/TS.DECRBY TS.MADD (#60)
• Added support for NewClientFromPool and Close methods. includes example (#62)
• Added support for TS.MGET with options. (#67)
• Added example usages of RangeWithOptions, MultiRangeWithOptions, and MultiGetWithOptions (#69)
Thanks to: @dengliming for the contributing!