Merge branch 'drekka-development' into development

* drekka-development:
  make nonobjc
  More privatisation
  Making publicKeyChainForTrust() private.
  api extensions doesn't seem to fail for me
  update readme

Author: nuclearace

README.md

@@ -93,16 +93,16 @@ github "socketio/socket.io-client-swift" ~> 6.1.5 # Or latest version
 
 Run `carthage update --platform ios,macosx`.
 
-CocoaPods 0.36.0 or later (iOS 8+)
+CocoaPods 1.0.0 or later
 ------------------
 Create `Podfile` and add `pod 'Socket.IO-Client-Swift'`:
 
 ```ruby
-source 'https://github.com/CocoaPods/Specs.git'
-platform :ios, '8.0'
 use_frameworks!
 
-pod 'Socket.IO-Client-Swift', '~> 6.1.5' # Or latest version
+target 'YourApp' do
+    pod 'Socket.IO-Client-Swift', '~> 6.1.5' # Or latest version
+end
 ```
 
 Install pods:
@@ -121,7 +121,7 @@ import SocketIOClientSwift
 Objective-C:
 
 ```Objective-C
-#import <SocketIOClientSwift/SocketIOClientSwift-Swift.h>
+@import SocketIOClientSwift;
 ```
 
 CocoaSeeds

Socket.IO-Client-Swift.xcodeproj/project.pbxproj

@@ -814,6 +814,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -870,6 +871,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;

Source/SSLSecurity.swift

@@ -55,7 +55,7 @@ public class SSLSecurity : NSObject {
 
     var isReady = false //is the key processing done?
     var certificates: [NSData]? //the certificates
-    var pubKeys: [SecKeyRef]? //the public keys
+    @nonobjc var pubKeys: [SecKeyRef]? //the public keys
     var usePublicKeys = false //use public keys or certificate validation?
 
     /**
@@ -241,7 +241,7 @@ public class SSLSecurity : NSObject {
 
      - returns: the public keys from the certifcate chain for the trust
      */
-    func publicKeyChainForTrust(trust: SecTrustRef) -> [SecKeyRef] {
+    @nonobjc func publicKeyChainForTrust(trust: SecTrustRef) -> [SecKeyRef] {
         let policy = SecPolicyCreateBasicX509()
         let keys = (0..<SecTrustGetCertificateCount(trust)).reduce([SecKeyRef]()) { (keys: [SecKeyRef], index: Int) -> [SecKeyRef] in
             var keys = keys