Updated podspec

Author: poetmountain

MotionMachine.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
   s.name = 'MotionMachine'
-  s.version = '1.3.2'
-  s.swift_version = '4.0'
+  s.version = '1.3.3'
+  s.swift_version = '4.2'
   s.license = { :type => 'MIT' }
   s.summary = 'An elegant, powerful, and modular animation library for Swift.'
   s.description = <<-DESC
@@ -13,7 +13,9 @@ Pod::Spec.new do |s|
   s.source = { :git => 'https://github.com/poetmountain/MotionMachine.git', :tag => "#{s.version}" }
   s.source_files = 'Sources/**/*.{m,h,swift}'
   s.frameworks = 'CoreGraphics', 'QuartzCore'
+  
   s.ios.deployment_target = '8.0'
   s.tvos.deployment_target = '9.0'
+  
   s.requires_arc = true
 end

Package.swift

@@ -29,5 +29,5 @@ import PackageDescription
 
 let package = Package(
     name: "MotionMachine",
-    swiftLanguageVersions: [4]
+    swiftLanguageVersions: [4.2]
 )