build/auth0-angular.js
function(fun) {
                    var ret = fun.toString();
                    ret = ret.substr('function '.length);
                    ret = ret.substr(0, ret.indexOf('('));
                    return ret ? ret.trim() : ret;
                }
function(fun) {
                    var ret = fun.toString();
                    ret = ret.substr('function '.length);
                    ret = ret.substr(0, ret.indexOf('('));
                    return ret ? ret.trim() : ret;
                }
/*

DESCRIPTION: Retrieve the name of a supplied function
INPUT: function
OUTPUT: string