Merge pull request #1 from 7owen/master

Xcode 9 support / iOS 8 improved support

QRCode.podspec

@@ -1,14 +1,14 @@
 Pod::Spec.new do |s|
   s.name              = "QRCode"
-  s.version           = "2.0"
+  s.version           = "2.0.1"
   s.summary           = "A QRCode generator written in Swift."
   s.description       = "Generate QRCodes and customize their appearance."
   s.homepage          = "https://github.com/aschuch/QRCode"
   s.license           = { :type => "MIT", :file => "LICENSE" }
   s.author            = { "Alexander Schuch" => "[email protected]" }
   s.social_media_url  = "http://twitter.com/schuchalexander"
   s.platform          = :ios, "8.0"
-  s.source            = { :git => "https://github.com/aschuch/QRCode.git", :tag => s.version }
+  s.source            = { :git => "https://github.com/lgw51/QRCode.git", :tag => s.version }
   s.requires_arc      = true
   s.source_files      = "QRCode/QRCode.swift", "QRCode/UIImageViewExtension.swift", "QRCode/CIColorExtension.swift", "QRCode/CIImageExtension.swift"
 end

QRCode/CIImageExtension.swift

@@ -20,7 +20,7 @@ internal extension CIImage {
     ///
     /// - returns: an non-interpolated UIImage
     internal func nonInterpolatedImage(withScale scale: Scale = Scale(dx: 1, dy: 1)) -> UIImage? {
-        guard let cgImage = CIContext(options: nil).createCGImage(self, from: self.extent) else { return nil }
+        guard let cgImage = CIContext().createCGImage(self, from: self.extent) else { return nil }
         let size = CGSize(width: self.extent.size.width * scale.dx, height: self.extent.size.height * scale.dy)
 
         UIGraphicsBeginImageContextWithOptions(size, true, 0)