Added sorting to the tree

node_modules/ace_tree/lib/ace_tree/data_provider.js

@@ -389,6 +389,7 @@ function alphanumCompare(a, b) {
 }
 
 DataProvider.alphanumCompare = alphanumCompare;
+DataProvider.prototype.alphanumCompare = alphanumCompare;
 DataProvider.variableHeightRowMixin = function() {
     var reset = function () {
         this.$cachedTotalHeight = 0;