Update SwiftPM Dependency

Author: CodaFi

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 /.build
+/.swiftpm
 /Packages
 /*.xcodeproj
 Package.resolved

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:4.2
+// swift-tools-version:5.0
 
 import PackageDescription
 
@@ -17,10 +17,10 @@ let package = Package(
   ],
   targets: [
     .target(name: "PrettyStackTrace", dependencies: []),
-    .target(name: "pst-lite", dependencies: ["LiteSupport", "Utility", "Symbolic"]),
+    .target(name: "pst-lite", dependencies: ["LiteSupport", "SPMUtility", "Symbolic"]),
     .target(
       name: "pst-file-check",
-      dependencies: ["FileCheck", "Utility"]),
+      dependencies: ["FileCheck", "SPMUtility"]),
 
   ]
 )

Sources/pst-file-check/main.swift

@@ -1,6 +1,6 @@
 import Foundation
 import Basic
-import Utility
+import SPMUtility
 import FileCheck
 
 func error(_ msg: String) -> Never {

Sources/pst-lite/main.swift

@@ -2,7 +2,6 @@ import Foundation
 #if os(Linux)
     import Glibc
 #endif
-import ShellOut
 import LiteSupport
 import Symbolic