Increase swift version to 4.2

Author: ergunemr

BottomPopup.xcodeproj/project.pbxproj

@@ -338,7 +338,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = FUREM.BottomPopup;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -357,7 +357,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = FUREM.BottomPopup;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;