setBit() should return a Boolean [DATAREDIS-287]

[spring-projects-issues]

Eric Wu opened DATAREDIS-287 and commented

In RedisStringCommands:

void setBit(byte[] key, long offset, boolean value);

does not return anything. This is not consistent with Redis (nor Jedis). Redis returns the original bit.

It is very useful sometimes to know if the bit has been changed

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Referenced from: pull request #58