diff --git a/Example/Example/Base.lproj/Storyboard.storyboard b/Example/Example/Base.lproj/Storyboard.storyboard
index cef0e71..82c8926 100644
--- a/Example/Example/Base.lproj/Storyboard.storyboard
+++ b/Example/Example/Base.lproj/Storyboard.storyboard
@@ -94,9 +94,20 @@
                                 <color key="textColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                 <nil key="highlightedColor"/>
                             </label>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="kmN-fg-NDL">
+                                <rect key="frame" x="21" y="82" width="46" height="34"/>
+                                <state key="normal" title="Close">
+                                    <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                </state>
+                                <connections>
+                                    <action selector="closeTapped:" destination="uba-Iz-2L2" eventType="touchUpInside" id="B1v-kE-kC0"/>
+                                    <action selector="reloadTapped:" destination="uba-Iz-2L2" eventType="touchUpInside" id="73B-ps-jro"/>
+                                </connections>
+                            </button>
                         </subviews>
                         <color key="backgroundColor" red="0.027450980390000001" green="0.72549019609999998" blue="0.60784313729999995" alpha="1" colorSpace="calibratedRGB"/>
                         <constraints>
+                            <constraint firstItem="kmN-fg-NDL" firstAttribute="top" secondItem="Emc-3r-MJi" secondAttribute="bottom" constant="62" id="7Rq-MO-b4m"/>
                             <constraint firstItem="cZN-qT-VUq" firstAttribute="leading" secondItem="Mqm-sG-Qyv" secondAttribute="leadingMargin" id="9eC-5j-2zk"/>
                             <constraint firstAttribute="centerX" secondItem="cZN-qT-VUq" secondAttribute="centerX" id="AYy-gw-Ryh"/>
                             <constraint firstItem="NbE-e0-l2n" firstAttribute="top" secondItem="qkQ-UG-MKG" secondAttribute="bottom" id="K6Q-s5-nzV"/>
@@ -107,6 +118,7 @@
                             <constraint firstItem="jSE-G2-qe6" firstAttribute="trailing" secondItem="Mqm-sG-Qyv" secondAttribute="trailingMargin" id="hbB-fi-M5S"/>
                             <constraint firstItem="qkQ-UG-MKG" firstAttribute="top" secondItem="Emc-3r-MJi" secondAttribute="bottom" constant="101" id="nJw-ag-ddh"/>
                             <constraint firstAttribute="trailing" secondItem="qkQ-UG-MKG" secondAttribute="trailing" id="pTb-BC-Duc"/>
+                            <constraint firstItem="kmN-fg-NDL" firstAttribute="leading" secondItem="Mqm-sG-Qyv" secondAttribute="leadingMargin" constant="1" id="sXd-CC-BrV"/>
                         </constraints>
                         <variation key="default">
                             <mask key="constraints">
diff --git a/Example/Example/ReloadExampleViewController.swift b/Example/Example/ReloadExampleViewController.swift
index f295041..8db1b88 100644
--- a/Example/Example/ReloadExampleViewController.swift
+++ b/Example/Example/ReloadExampleViewController.swift
@@ -65,6 +65,11 @@ class ReloadExampleViewController: UIViewController {
         }
     }
     
+    
+    @IBAction func closeTapped(sender: UIButton) {
+        dismissViewControllerAnimated(true, completion: nil)
+    }
+    
     func updateTitle(pagerTabStripViewController: PagerTabStripViewController) {
         func stringFromBool(bool: Bool) -> String {
             return bool ? "YES" : "NO"
diff --git a/README.md b/README.md
index d4032d0..d8c829a 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 <a href="https://raw.githubusercontent.com/xmartlabs/XLPagerTabStrip/master/LICENSE"><img src="http://img.shields.io/badge/license-MIT-blue.svg?style=flat" alt="License: MIT" /></a>
 </p>
 
-Made with ❤️ by [Xmartlabs](http://xmartlabs.com).
+Made with ❤️  by [Xmartlabs](http://xmartlabs.com).
 
 Android [PagerTabStrip](http://developer.android.com/reference/android/support/v4/view/PagerTabStrip.html) for iOS!
 
@@ -201,7 +201,7 @@ We may need to update the indicator cell when the displayed view controller chan
 public var changeCurrentIndex: ((oldCell: ButtonBarViewCell?, newCell: ButtonBarViewCell?, animated: Bool) -> Void)?
 public var changeCurrentIndexProgressive: ((oldCell: ButtonBarViewCell?, newCell: ButtonBarViewCell?, progressPercentage: CGFloat, changeCurrentIndex: Bool, animated: Bool) -> Void)?
 
-Let's see am example:
+Let's see an example:
 
 ```swift
 changeCurrentIndexProgressive = { (oldCell: ButtonBarViewCell?, newCell: ButtonBarViewCell?, progressPercentage: CGFloat, changeCurrentIndex: Bool, animated: Bool) -> Void in
diff --git a/Sources/TwitterPagerTabStripViewController.swift b/Sources/TwitterPagerTabStripViewController.swift
index fbfeaea..cc9b27b 100644
--- a/Sources/TwitterPagerTabStripViewController.swift
+++ b/Sources/TwitterPagerTabStripViewController.swift
@@ -43,14 +43,14 @@ public class TwitterPagerTabStripViewController: PagerTabStripViewController, Pa
     
     public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?) {
         super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
-        pagerBehaviour = .Common(skipIntermediateViewControllers: true)
+        pagerBehaviour = .Progressive(skipIntermediateViewControllers: true, elasticIndicatorLimit: true)
         delegate = self
         datasource = self
     }
     
     required public init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
-        pagerBehaviour = PagerTabStripBehaviour.Common(skipIntermediateViewControllers: true)
+        pagerBehaviour = .Progressive(skipIntermediateViewControllers: true, elasticIndicatorLimit: true)
         delegate = self
         datasource = self
     }
@@ -73,7 +73,7 @@ public class TwitterPagerTabStripViewController: PagerTabStripViewController, Pa
         titleView.addSubview(pageControl)
         reloadNavigationViewItems()
     }
-    
+
     public override func reloadPagerTabStripView() {
         super.reloadPagerTabStripView()
         guard isViewLoaded() else { return }
@@ -123,7 +123,7 @@ public class TwitterPagerTabStripViewController: PagerTabStripViewController, Pa
     }
     
     deinit {
-        titleView.removeObserver(self, forKeyPath: "frame")
+        NSNotificationCenter.defaultCenter().removeObserver(self)
     }
     
     public override func viewDidLayoutSubviews() {
@@ -133,7 +133,7 @@ public class TwitterPagerTabStripViewController: PagerTabStripViewController, Pa
     
     // MARK: - Helpers
     
-    private lazy var titleView: UIView = { [unowned self] in
+    private lazy var titleView: UIView = {
         let navigationView = UIView()
         navigationView.autoresizingMask = [.FlexibleWidth, .FlexibleHeight]
         return navigationView