Fix errors in older AngularJS versions (tested against Plunker, using AngularJS v1.1.5)
Fix errors in older AngularJS versions (tested against Plunker, using AngularJS v1.1.5)

DrewML/ng-inspector,vitvad/ng-inspector,davidfurlong/ng-inspector,rev087/ng-inspector,davidfurlong/ng-inspector,haithemaraissia/ng-inspector,hitesh97/ng-inspector,rev087/ng-inspector,hitesh97/ng-inspector,DrewML/ng-inspector,vitvad/ng-inspector,haithemaraissia/ng-inspector,hafeez-syed/ng-inspector,hafeez-syed/ng-inspector,kennyx46/ng-inspector,kennyx46/ng-inspector