wrong type of hdel

[pheaver]

The hdel command (http://redis.io/commands/hdel) returns the number of deleted fields, so its result should be an integer. However, the hedis package defines hdel as returning a Bool.

[informatikr]

Hi Philip,

thanks a lot for catching this bug! Hedis version 0.6 is now on Hackage.

Please let me know if/when you find other issues.