Incorrect comment on README.md example
Merge pull request #40 from t-carvalho/master

Incorrect comment on README.md example
Update riak.php

Is it correct?
Merge pull request #42 from pkorobeinikov/master

Litte fix, isn't it?
Merge branch 'master' of git://github.com/basho/riak-php-client
Added switching servers when receiving a 5xx response