Some methods, classes have been marked as static

Author: 0UserName

cli/nugetswitcher.cli/Program.cs

@@ -15,7 +15,7 @@
 
 namespace NuGetSwitcher.CLI
 {
-    internal class Program
+    internal static class Program
     {
         public static void Main(string[] args)
         {

lib/nugetswitcher.interface/Provider/Option/AbstractOptionProvider.cs

@@ -42,7 +42,7 @@ protected AbstractOptionProvider(IMessageProvider messageProvider)
         /// is found. Level at which the file is located is 
         /// not taken into account.
         /// </summary>
-        protected bool Contains(IEnumerable<string> excludeDirectories, string absolutePath)
+        protected static bool Contains(IEnumerable<string> excludeDirectories, string absolutePath)
         {
             const int NOT_FOUND = -1;
 

lib/nugetswitcher.interface/Provider/Option/Entity/FileOption.cs

@@ -46,7 +46,7 @@ public FileOption(string includeFile, string excludeFile, string pattern) : this
             Pattern = pattern;
         }
 
-        private IEnumerable<string> ReadConfig(string path)
+        private static IEnumerable<string> ReadConfig(string path)
         {
             return File.ReadAllLines(path).Where(l => !l.StartsWith("#")) ?? Enumerable.Empty<string>();
         }