Updating podspec

Sources/UIStackView+air.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 
+@available(iOS, introduced: 9.0)
 public extension UIStackView {
     /// Removes all arranged subviews in `self.arrangedSubviews`
     public func removeAllArrangedSubviews() {

Sources/UIView+air.swift

@@ -49,6 +49,7 @@ public extension UIView {
 }
 
 // MARK: - AutoLayout
+@available(iOS, introduced: 9.0)
 public extension UIView {
     /// Fill self with the provided view.
     ///

airUtilities.podspec

@@ -18,6 +18,7 @@ Pod::Spec.new do |s|
   s.name         = "airUtilities"
   s.version      = "1.3.2"
   s.summary      = "A collection of iOS utility functions and extensions."
+  s.swift_version = '4.2'
 
   # This description is used to generate tags and improve search results.
   #   * Think: What does it do? Why did you write it? What is the focus?

airUtilities.xcodeproj/project.pbxproj

@@ -329,7 +329,7 @@
 				TargetAttributes = {
 					74E105CD1F1E783E00178BCF = {
 						CreatedOnToolsVersion = 8.3.3;
-						DevelopmentTeam = 5NEBCQB5S3;
+						DevelopmentTeam = N7T3L4Z9JM;
 						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
@@ -571,7 +571,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				DEFINES_MODULE = YES;
-				DEVELOPMENT_TEAM = 5NEBCQB5S3;
+				DEVELOPMENT_TEAM = N7T3L4Z9JM;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
@@ -583,7 +583,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -593,7 +593,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				DEFINES_MODULE = YES;
-				DEVELOPMENT_TEAM = 5NEBCQB5S3;
+				DEVELOPMENT_TEAM = N7T3L4Z9JM;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
@@ -604,7 +604,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.airg.airUtilities;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};

airUtilities/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.3.2</string>
+	<string>1.3.3</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>