diff --git a/Injectable/DependencyContainer.swift b/Injectable/DependencyContainer.swift
index db0c01a..0843de6 100644
--- a/Injectable/DependencyContainer.swift
+++ b/Injectable/DependencyContainer.swift
@@ -9,10 +9,21 @@
 import Foundation
 
 public class DependencyContainer: Container {
-    private var transientObjects: [String: AnyObject] = [:]
-    private var persistentObjects: [String: AnyObject] = [:]
-    private let lock: RecursiveLock = .init()
-    private var registeredResolvers: [String: (Container) -> Any] = [:]
+    private var transientObjects: [String: AnyObject]
+    private var persistentObjects: [String: AnyObject]
+    private let lock: RecursiveLock
+    private var registeredResolvers: [String: (Container) -> Any]
+
+    public convenience init() {
+        self.init(transientObjects: [:], persistentObjects: [:], lock: .init(), registeredResolvers: [:])
+    }
+
+    init(transientObjects: [String: AnyObject], persistentObjects: [String: AnyObject], lock: RecursiveLock, registeredResolvers: [String: (Container) -> Any]) {
+        self.transientObjects = transientObjects
+        self.persistentObjects = persistentObjects
+        self.lock = lock
+        self.registeredResolvers = registeredResolvers
+    }
 
     public func resolve<Object: Injectable>(variant: String?) -> Object {
         switch Object.lifetime {
diff --git a/Injectable/InjectableObject.swift b/Injectable/InjectableObject.swift
index ef6bb91..f789774 100644
--- a/Injectable/InjectableObject.swift
+++ b/Injectable/InjectableObject.swift
@@ -17,7 +17,7 @@ public protocol InjectableObject {
 }
 
 extension InjectableObject {
-    static func didCreate(object: InjectedType, inContainer container: Container) {
+    public static func didCreate(object: InjectedType, inContainer container: Container) {
         
     }
 }
diff --git a/InjectableSwift.podspec b/InjectableSwift.podspec
index 455c83f..00b77ac 100644
--- a/InjectableSwift.podspec
+++ b/InjectableSwift.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "InjectableSwift"
-  s.version      = "0.1.4"
+  s.version      = "0.2.0"
   s.summary      = "A Swift dependency injection container"
   s.description  = <<-DESC
                     A Swift dependency injection container which minimises the need for centralised registration