Example
Sqrl.defineNativeHelper(name, obj)// This is the code for the native 'if' helperSqrl.defineNativeHelper('if', {helperStart: function(param) {// helperStart is called with (params, id) but id isn't neededreturn 'if(' + param + '){'},helperEnd: function() {return '}'},blocks: {else: function() {// called with (id) but neither param is neededreturn '}else{'}}})