* For now only the last argument gets integer encoded, so make sure that: 1) every multi bulk command implemented will have the last arg that is indeed a value, and not used otherwise. 2) to explicitly call the function to encode the object in MSET and other commands where there are multiple "values".
* Man pages for SRANDMEMBER, missing Z-commands, ...
-* Use strcoll() to compare objects in sorted sets, like it already happens for SORT.
* Write docs for the "STORE" operaiton of SORT. Link to the article about SORT by written by defunkt.
* ZRANGEBYSCORE test, ZRANGEBYSCORE LIMIT option.
* Sorted sets infinity tests.