Set podspec version to 4.2.0

Author: djbe

CHANGELOG.md

@@ -4,7 +4,7 @@ Changelog
 Version numbering represents the Swift version, plus a running number representing updates, fixes and new features at the same time.
 You can also refer to commit logs to get details on what was implemented, fixed and improved.
 
-### Master
+### 4.2.0
 
 - Swift 4.2 support.  
   [djbe](https://github.com/djbe)

p2.OAuth2.podspec

@@ -6,9 +6,9 @@
 #
 
 Pod::Spec.new do |s|
-  s.name         = "p2.OAuth2"
-  s.version      = "4.0.1"
-  s.summary      = "OAuth2 framework for macOS, iOS and tvOS, written in Swift."
+  s.name         = 'p2.OAuth2'
+  s.version      = '4.2.0'
+  s.summary      = 'OAuth2 framework for macOS, iOS and tvOS, written in Swift.'
   s.description  = <<-DESC
                    OAuth2 frameworks for macOS, iOS and tvOS written in Swift.
 
@@ -19,21 +19,37 @@ Pod::Spec.new do |s|
                    Start with `import p2_OAuth2` in your source files. Code documentation is available from within
                    Xcode (ALT + click on symbols) and on [p2.github.io/OAuth2/](http://p2.github.io/OAuth2/).
                    DESC
-  s.homepage     = "https://github.com/p2/OAuth2"
-  s.documentation_url = "http://p2.github.io/OAuth2/"
-  s.license      = "Apache 2"
-  s.author       = { "Pascal Pfiffner" => "[email protected]" }
-  s.source       = { :git => "https://github.com/p2/OAuth2.git", :tag => "#{s.version}", :submodules => true }
+  s.homepage     = 'https://github.com/p2/OAuth2'
+  s.documentation_url = 'http://p2.github.io/OAuth2/'
+  s.license      = 'Apache 2'
+  s.author       = {
+    'Pascal Pfiffner' => '[email protected]'
+  }
 
-  s.ios.deployment_target = "8.0"
-  s.osx.deployment_target = "10.10"
-  s.tvos.deployment_target = "9.0"
-  s.pod_target_xcconfig = { "OTHER_SWIFT_FLAGS" => "-DNO_MODULE_IMPORT -DNO_KEYCHAIN_IMPORT" }
+  s.source       = {
+    :git => 'https://github.com/p2/OAuth2.git',
+    :tag => s.version.to_s,
+    :submodules => true
+  }
+  s.swift_version = '4.2'
+  s.cocoapods_version = '>= 1.4.0'
 
-  s.source_files = "SwiftKeychain/Keychain/*.swift", "Sources/Base/*.swift", "Sources/Flows/*.swift", "Sources/DataLoader/*.swift"
-  s.ios.source_files = "Sources/iOS/*.swift"
-  s.osx.source_files = "Sources/macOS/*.swift"
-  s.tvos.source_files = "Sources/tvOS/*.swift"
+  s.ios.deployment_target = '8.0'
+  s.osx.deployment_target = '10.10'
+  s.tvos.deployment_target = '9.0'
+  s.pod_target_xcconfig = {
+    'OTHER_SWIFT_FLAGS' => '-DNO_MODULE_IMPORT -DNO_KEYCHAIN_IMPORT'
+  }
 
-  s.ios.framework = "SafariServices"
+  s.source_files = [
+    'SwiftKeychain/Keychain/*.swift',
+    'Sources/Base/*.swift',
+    'Sources/Flows/*.swift',
+    'Sources/DataLoader/*.swift'
+  ]
+  s.ios.source_files = 'Sources/iOS/*.swift'
+  s.osx.source_files = 'Sources/macOS/*.swift'
+  s.tvos.source_files = 'Sources/tvOS/*.swift'
+
+  s.ios.framework = 'SafariServices'
 end