code review

FSPagerView.podspec

@@ -11,11 +11,11 @@ Pod::Spec.new do |s|
   s.source           = { :git => "https://github.com/WenchaoD/FSPagerView.git", :tag => s.version.to_s }
 
   s.platform     = :ios
-  s.ios.deployment_target = '9.0'
+  s.ios.deployment_target = '8.0'
   s.requires_arc = true
   s.framework    = 'UIKit'
   s.source_files = 'Sources/*.{swift,h,m}'
-  s.swift_version = '5.3'
+  s.swift_version = '5.0'
   s.cocoapods_version = '>= 1.4.0'
 
 end

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.4
+// swift-tools-version:5.0
 import PackageDescription
 
 let package = Package(