Merge pull request abraham#339 from patricknelson/curl-exceptions

FIX: Address issue abraham#338 and throw an exception on all cURL errors.

Author: abraham

src/TwitterOAuth.php

@@ -323,17 +323,9 @@ private function request($url, $method, $authorization, $postfields)
         curl_setopt_array($curlHandle, $options);
         $response = curl_exec($curlHandle);
 
+        // Throw exceptions on cURL errors.
         $curlErrno = curl_errno($curlHandle);
-        switch ($curlErrno) {
-            case 28:
-                throw new TwitterOAuthException('Request timed out.');
-            case 51:
-                throw new TwitterOAuthException('The remote servers SSL certificate or SSH md5 fingerprint failed validation.');
-            case 56:
-                throw new TwitterOAuthException('Response from server failed or was interrupted.');
-            case 77:
-                throw new TwitterOAuthException('Problem with the SSL CA cert (path? access rights?)');
-        }
+        if ($curlErrno > 0) throw new TwitterOAuthException(curl_error($curlHandle), $curlErrno);
 
         $this->response->setHttpCode(curl_getinfo($curlHandle, CURLINFO_HTTP_CODE));
         $parts = explode("\r\n\r\n", $response);