Update for Swift 2.2

Source/Animator.swift

@@ -103,12 +103,12 @@ class Animator {
 
     timeSinceLastFrameChange -= frameDuration
     let lastFrameIndex = currentFrameIndex
-    currentFrameIndex = ++currentFrameIndex % animatedFrames.count
+    currentFrameIndex = (currentFrameIndex + 1) % animatedFrames.count
     
     // Loads the next needed frame for progressive loading
     if animatedFrames.count < frameCount {
       animatedFrames[lastFrameIndex] = prepareFrame(currentPreloadIndex)
-      currentPreloadIndex = ++currentPreloadIndex % frameCount
+      currentPreloadIndex = (currentFrameIndex + 1) % frameCount
     }
     
     return true

Source/ImageSourceHelpers.swift

@@ -32,16 +32,17 @@ func capDuration(duration: Double) -> Double? {
 ///
 /// - returns: A frame duration.
 func durationFromGIFProperties(properties: GIFProperties) -> Double? {
-  let unclampedDelayTime = properties[String(kCGImagePropertyGIFUnclampedDelayTime)]
+  guard let unclampedDelayTime = properties[String(kCGImagePropertyGIFUnclampedDelayTime)],
     let delayTime = properties[String(kCGImagePropertyGIFDelayTime)]
+    else { return .None }
 
-  return duration <^> unclampedDelayTime <*> delayTime
+  return duration(unclampedDelayTime, delayTime: delayTime)
 }
 
 /// Calculates frame duration based on both clamped and unclamped times.
 ///
 /// - returns: A frame duration.
-func duration(unclampedDelayTime: Double)(delayTime: Double) -> Double {
+func duration(unclampedDelayTime: Double, delayTime: Double) -> Double {
   let delayArray = [unclampedDelayTime, delayTime]
   return delayArray.filter(isPositive).first ?? defaultDuration
 }

Source/Info.plist

@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.1</string>
+	<string>1.1.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>79</string>
+	<string>87</string>
 	<key>NSPrincipalClass</key>
 	<string></string>
 </dict>