Bump versions to v1.3.0

Author: tonyarnold

Differ.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "Differ"
-  s.version      = "1.2.3"
+  s.version      = "1.3.0"
   s.summary      = "A very fast difference calculation library written in Swift."
   s.homepage     = "https://github.com/tonyarnold/Diff"
   s.description  = <<-DESC
@@ -16,11 +16,12 @@ Also included are utilities for easily applying diffs and patches to `UICollecti
     "Tony Arnold" => "tony@thecocoabots.com"
   }
 
-  s.source = { :git => "https://github.com/tonyarnold/Differ.git", :tag => "1.2.3" }
+  s.source = { :git => "https://github.com/tonyarnold/Differ.git", :tag => "1.3.0" }
   s.source_files = "Sources/Differ"
 
   s.platforms = { :ios => "8.0", :osx => "10.11", :tvos => "9.0", :watchos => "3.0" }
-  s.pod_target_xcconfig = { 'SWIFT_VERSION' => '4.1' }
+  s.swift_version = "4.2"
+
   s.ios.exclude_files = [
     "Sources/Differ/Diff+AppKit.swift"
   ]

Supporting Files/Framework-Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.2.3</string>
+	<string>1.3.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>