diff --git a/src/API.php b/src/API.php
index ce96a5e..f3f0d39 100644
--- a/src/API.php
+++ b/src/API.php
@@ -122,6 +122,7 @@ final class API
 				$response = curl_exec($request);
 
 				switch($x=curl_getinfo($request,CURLINFO_HTTP_CODE)) {
+					case 0:
 					case 400:
 					case 401:
 					case 403:
@@ -132,6 +133,10 @@ final class API
 				}
 
 				curl_close($request);
+
+				if (! $response)
+					throw new \Exception(sprintf('%s:Request to [%s] returned no data?',self::LOGKEY,$url),['code'=>$x]);
+
 				return json_decode(self::CURLOPT_HEADER ? substr($response,curl_getinfo($request,CURLINFO_HEADER_SIZE)) : $response);
 
 			} catch (\Exception $e) {
diff --git a/src/Response/ListList.php b/src/Response/ListList.php
index 82b7606..bfdc666 100644
--- a/src/Response/ListList.php
+++ b/src/Response/ListList.php
@@ -63,7 +63,10 @@ class ListList extends Base implements \Countable, \ArrayAccess, \Iterator
 			case 'first':
 				return $this->_data->{$name}();
 			case 'pluck':
-				return $this->_data->map(function($item) use ($args) { return $item->{$args[0]}; });
+				if (count($args) !== 2)
+					throw new \BadMethodCallException(sprintf('Pluck requires to arguments %s::%s()',get_class($this),$name));
+
+				return $this->_data->map(function($item) use ($args) { return [$item->{$args[1]} => $item->{$args[0]}]; })->flatMap(function($item) { return $item; });
 
 			default:
 				throw new \BadMethodCallException(sprintf('Call to undefined method %s::%s()',get_class($this),$name));
diff --git a/src/Traits/CompareAttributes.php b/src/Traits/CompareAttributes.php
index 0041644..18b3893 100644
--- a/src/Traits/CompareAttributes.php
+++ b/src/Traits/CompareAttributes.php
@@ -29,7 +29,7 @@ trait CompareAttributes
 	 * @return void
 	 */
 	public function __set($key,$value) {
-		if (array_key_exists($key,$this->attributes) && (! $this->isSame($key,$value)))
+		if (! array_key_exists($key,$this->attributes) || (! $this->isSame($key,$value)))
 			parent::__set($key,$value);
 	}