Fxing docs

Author: dcarbone

docs/KV.md

@@ -24,7 +24,7 @@ var_dump($qm, $kvp);
 ### List All KVP's under specified prefix
 
 ```php
-list($kvps, $qm, $err) = $client->KV()->list('prefix');
+list($kvps, $qm, $err) = $client->KV()->valueList('prefix');
 if (null !== $err)
     die($err);
 

src/KV/KVClient.php

@@ -84,7 +84,7 @@ public function valueList($prefix, QueryOptions $queryOptions = null)
         if (!is_string($prefix) || '' === $prefix)
         {
             return [null, null, new Error(sprintf(
-                '%s::getList - Prefix expected to be non-empty string, "%s" seen.',
+                '%s::valueList - Prefix expected to be non-empty string, "%s" seen.',
                 get_class($this),
                 is_string($prefix) ? $prefix : gettype($prefix)
             ))];