Add method to reorder steps in sequencer object

src/ImageSequencer.js

@@ -376,6 +376,20 @@ ImageSequencer = function ImageSequencer(options) {
   }
 
 
+  function reorderSteps(source, dest) {
+    var this_ = (this.name == 'ImageSequencer') ? this : this.sequencer;
+    var args = [];
+    var json_q = {};
+    for (var arg in arguments) { args.push(copy(arguments[arg])); } // Get all the module names from the arguments
+    json_q = formatInput.call(this_, args, '+');
+
+    inputlog.push({ method: 'reorderSteps', json_q: copy(json_q) });
+
+    require('./ReorderSteps')(this_, source, dest);
+
+    return this;
+  }
+
   return {
     // Literals and objects
     name: 'ImageSequencer',
@@ -415,6 +429,7 @@ ImageSequencer = function ImageSequencer(options) {
     saveSequence: saveSequence,
     loadModules: loadModules,
     getSteps:getSteps,
+    reorderSteps,
 
     // Other functions
     log: log,

src/ReorderSteps.js

@@ -0,0 +1,11 @@
+module.exports = function(ref, source, dest) {
+
+  if(source > ref.steps.length - 1 || dest > ref.steps.length - 1 ) return false;
+
+  var stepName = ref.steps[source].options.name;
+  ref.removeSteps(source);
+  ref.insertSteps(dest, stepName);
+  ref.run();
+
+  return true;
+};