GitStatusEntry needs to follow our default pattern

Author: StanleyGoldman

src/GitHub.Api/Git/GitStatusEntry.cs

@@ -5,28 +5,46 @@ namespace GitHub.Unity
     [Serializable]
     public struct GitStatusEntry
     {
-        public string Path;
-        public string FullPath;
-        public string ProjectPath;
-        public string OriginalPath;
-        public GitFileStatus Status;
-        public bool Staged;
+        public static GitStatusEntry Default = new GitStatusEntry();
+        
+        public string path;
+        public string fullPath;
+        public string projectPath;
+        public string originalPath;
+        public GitFileStatus status;
+        public bool staged;
 
         public GitStatusEntry(string path, string fullPath, string projectPath,
             GitFileStatus status,
             string originalPath = null, bool staged = false)
         {
-            Path = path;
-            Status = status;
-            FullPath = fullPath;
-            ProjectPath = projectPath;
-            OriginalPath = originalPath;
-            Staged = staged;
+            Guard.ArgumentNotNullOrWhiteSpace(path, "path");
+            Guard.ArgumentNotNullOrWhiteSpace(fullPath, "fullPath");
+            Guard.ArgumentNotNullOrWhiteSpace(projectPath, "projectPath");
+
+            this.path = path;
+            this.status = status;
+            this.fullPath = fullPath;
+            this.projectPath = projectPath;
+            this.originalPath = originalPath;
+            this.staged = staged;
         }
 
+        public string Path => path;
+
+        public string FullPath => fullPath;
+
+        public string ProjectPath => projectPath;
+
+        public string OriginalPath => originalPath;
+
+        public GitFileStatus Status => status;
+
+        public bool Staged => staged;
+
         public override string ToString()
         {
-            return String.Format("Path:'{0}' Status:'{1}' FullPath:'{2}' ProjectPath:'{3}' OriginalPath:'{4}' Staged:'{5}'", Path, Status, FullPath, ProjectPath, OriginalPath, Staged);
+            return $"Path:'{Path}' Status:'{Status}' FullPath:'{FullPath}' ProjectPath:'{ProjectPath}' OriginalPath:'{OriginalPath}' Staged:'{Staged}'";
         }
     }
 }