Merge pull request #204 from xiam/master

Adding gosexy/redis (Go bindings for hiredis) to the list of clients.
Fixed typo in introduction.
Merge branch 'master' of github.com:/antirez/redis-doc
Adding brükva to the list of Python Redis clients
URL of Radix changed
Redis cluster spec updated: from 4096 to 16384 hash slots.
Cluster specification failure detection updated to reflect the code.
Cluster specification updated.
Add then-redis to client list
Updates in the cluster spec about node failure detection.
Merge pull request #207 from mjijackson/master

Add then-redis to client list
Merge pull request #206 from mrothe/patch-1

URL of Radix changed
Merge pull request #205 from bitzeppelin/brukva

Adding Brükva to the list of Python Redis clients
Added csredis to C# clients
Update tools.json

Added redis-tcl
SET command definition updated.
Merge branch 'master' of github.com:/antirez/redis-doc
SET documenatation updated for SET options.
Corrected the twitter account for Tiny-Redis. Added a small description too.
Provide an example script for unlocking in SET pattern.