Router embed navigation controller as open (#102)

* embedNavigationController function is now declared as open

* Bump version to 1.3.1

Viperit.podspec

@@ -2,7 +2,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'Viperit'
-  s.version          = '1.3.0'
+  s.version          = '1.3.1'
   s.summary          = 'Viper Framework for iOS written in Swift'
 
   s.description      = <<-DESC

Viperit/Core/Router.swift

@@ -31,6 +31,10 @@ open class Router: RouterProtocol {
         return _presenter._view
     }
 
+    open func embedInNavigationController() -> UINavigationController {
+        return getNavigationController() ?? UINavigationController(rootViewController: _view as! UIViewController)
+    }
+
     open func show(inWindow window: UIWindow?, embedInNavController: Bool = false, setupData: Any? = nil, makeKeyAndVisible: Bool = true) {
         process(setupData: setupData)
         let view = embedInNavController ? embedInNavigationController() : _view as? UIViewController
@@ -77,9 +81,9 @@ private extension Router {
     }
 }
 
-//MARK: - Embed view in navigation controller
-public extension Router {
-    private func getNavigationController() -> UINavigationController? {
+//MARK: - Get navigation controller helper
+private extension Router {
+    func getNavigationController() -> UINavigationController? {
         guard let view = _view as? UIViewController else { return nil }
         if let nav = view.navigationController {
             return nav
@@ -90,10 +94,6 @@ public extension Router {
         }
         return nil
     }
-
-    func embedInNavigationController() -> UINavigationController {
-        return getNavigationController() ?? UINavigationController(rootViewController: _view as! UIViewController)
-    }
 }
 
 //MARK: - Embed view in a container view

Viperit/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.3.0</string>
+	<string>1.3.1</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>