Made Swift 3 compatible

Package.swift

@@ -1,28 +1,9 @@
-// swift-tools-version:4.0
-// The swift-tools-version declares the minimum version of Swift required to build this package.
-
 import PackageDescription
 
 let package = Package(
     name: "TLVCoding",
-    products: [
-        // Products define the executables and libraries produced by a package, and make them visible to other packages.
-        .library(
-            name: "TLVCoding",
-            targets: ["TLVCoding"]),
-    ],
-    dependencies: [
-        // Dependencies declare other packages that this package depends on.
-        // .package(url: /* package url */, from: "1.0.0"),
-    ],
     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: "TLVCoding",
-            dependencies: []),
-        .testTarget(
-            name: "TLVCodingTests",
-            dependencies: ["TLVCoding"]),
+        Target(
+            name: "TLVCoding")
     ]
 )