diff --git a/README b/README
index daa857a6..5dc21f01 100644
--- a/README
+++ b/README
@@ -5,4 +5,6 @@ Hi
 
 Nikita Kouevda
 Maksim Ioffe
+Dan Miller
+
 
diff --git a/src/commandModel.js b/src/commandModel.js
index a6e21cf4..56a0f3bd 100644
--- a/src/commandModel.js
+++ b/src/commandModel.js
@@ -150,6 +150,13 @@ var Command = Backbone.Model.extend({
         throw new CommandResult({
           msg: "Refreshing tree..."
         });
+      }],
+      [/^rollup (\d+)$/, function(bits) {
+        // go roll up these commands by joining them with semicolons
+        events.trigger('rollupCommands', bits[1]);
+        throw new CommandResult({
+          msg: 'Commands combined!'
+        });
       }]
     ];
   },
@@ -164,8 +171,9 @@ var Command = Backbone.Model.extend({
     // then check if it's one of our sandbox commands
     _.each(this.getSandboxCommands(), function(tuple) {
       var regex = tuple[0];
-      if (regex.exec(str)) {
-        tuple[1]();
+      var results = regex.exec(str);
+      if (results) {
+        tuple[1](results);
       }
     });
 
@@ -181,7 +189,7 @@ var Command = Backbone.Model.extend({
     // see if begins with git
     if (str.slice(0,3) !== 'git') {
       throw new CommandProcessError({
-        msg: 'Git commands only, sorry!'
+        msg: 'That command is not supported, sorry!'
       });
     }
 
diff --git a/src/commandViews.js b/src/commandViews.js
index bb0fc158..35d13b02 100644
--- a/src/commandViews.js
+++ b/src/commandViews.js
@@ -39,6 +39,7 @@ var CommandPromptView = Backbone.View.extend({
 
     events.on('processCommandFromEvent', this.addToCollection, this);
     events.on('submitCommandValueFromEvent', this.submitValue, this);
+    events.on('rollupCommands', this.rollupCommands, this);
 
     // hacky timeout focus
     setTimeout(_.bind(function() {
@@ -186,6 +187,22 @@ var CommandPromptView = Backbone.View.extend({
     this.submitValue(value);
   },
 
+  rollupCommands: function(numBack) {
+    var which = this.commands.toArray().slice(1, Number(numBack) + 1);
+    console.log(this.commands.toArray());
+    console.log(which);
+    var str = '';
+    _.each(which, function(commandEntry) {
+      str += commandEntry.get('text') + ';';
+    }, this);
+
+    console.log('the str', str);
+
+    var rolled = new CommandEntry({text: str});
+    this.commands.unshift(rolled);
+    Backbone.sync('create', rolled, function() { });
+  },
+
   submitValue: function(value) {
     // we should add if it's not a blank line and this is a new command...
     // or if we edited the command
diff --git a/src/tree.js b/src/tree.js
index 561bc254..1d91717a 100644
--- a/src/tree.js
+++ b/src/tree.js
@@ -559,6 +559,11 @@ var VisNode = VisBase.extend({
 
     this.get('circle').stop().animate(attr.circle, s, e);
     this.get('text').stop().animate(attr.text, s, e);
+
+    // animate the x attribute without bouncing so it looks like there's
+    // gravity in only one direction. Just a small animation polish
+    this.get('circle').animate(attr.circle.cx, s, 'easeInOut');
+    this.get('text').animate(attr.text.x, s, 'easeInOut');
   },
 
   getScreenCoords: function() {