Add the failed auth error

Author: IonicaBizau

lib/index.js

@@ -76,6 +76,9 @@ class BrokerBin {
                     if (err) { return reject(err) }
                     // Get the UID
                     const UID = this.soapUid = resSession.$value
+                    if (UID === "Failed Authentication") {
+                        return reject(new Error("Failed SOAP authentication"))
+                    }
                     resolve(UID)
                 })
             })
@@ -107,6 +110,7 @@ class BrokerBin {
                 } catch (e) {
                     // TODO This fails quite silently
                     console.error(e)
+                    console.error("The original response is: ", res)
                     res = {}
                     res.resultset = [{
                         result: []