fixes

Author: jerleng

grails-app/services/com/getsaasy/plugin/AbstractSaasyService.groovy

@@ -193,11 +193,11 @@ abstract class AbstractSaasyService {
 
 				// failure handler
 				response.failure = { resp, reader ->
-					println '> FAILURE '+reader.class
+					println '> FAILURE '+reader?.class
 					output << [
 						status:resp.status,
 						message:resp.statusLine,
-						rawText:reader.text,
+						rawText:reader?.text,
 						content:reader // if there is any
 					]
 				}

grails-app/services/com/getsaasy/plugin/SaasyCompositeService.groovy

@@ -19,4 +19,9 @@ class SaasyCompositeService extends AbstractSaasyService {
         ]
         doApiCall(SERVICE_BASE_PATH, params, body, POST)
     }
+
+    def ping(params) {
+        doApiCall('/api/ping', params, null, GET)
+    }
+    
 }