Add support for Swift 5.2

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.1
+// swift-tools-version:5.2
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription

Package@swift-5.1.swift

@@ -0,0 +1,44 @@
+// swift-tools-version:5.1
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "PathWrangler",
+    products: [
+        // Products define the executables and libraries produced by a package, and make them visible to other packages.
+        .library(
+            name: "CorePathWrangler",
+            targets: ["CorePathWrangler"]),
+        .library(
+            name: "PathWrangler",
+            targets: ["PathWrangler"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
+        .target(name: "StdLibAlgorithms"),
+        .target(name: "CPathWrangler"),
+        .target(
+            name: "CorePathWrangler",
+            dependencies: [
+                "StdLibAlgorithms",
+                "CPathWrangler",
+        ]),
+        .target(
+            name: "PathWrangler",
+            dependencies: ["CorePathWrangler"]),
+        .testTarget(
+            name: "StdLibAlgorithmsTests",
+            dependencies: ["StdLibAlgorithms"]),
+        .testTarget(
+            name: "CorePathWranglerTests",
+            dependencies: ["CorePathWrangler"]),
+        .testTarget(
+            name: "PathWranglerTests",
+            dependencies: ["PathWrangler"]),
+    ]
+)