Show warning when the results is not an array

Author: IonicaBizau

lib/index.js

@@ -116,7 +116,12 @@ class BrokerBin {
                         result: []
                     }]
                 }
-                const results = res.resultset[0].result
+                const results = res && res.resultset && res.resultset[0] && res.resultset[0].result
+                if (!Array.isArray(results)) {
+                    console.warn(`Brokerbin result is not an array.`, results)
+                    console.warn(results)
+                    results = []
+                }
                 resolve(results)
             })
         })