Make some things not public

Octokit/Http/ApiInfoParser.cs

@@ -5,7 +5,7 @@ using System.Text.RegularExpressions;
 
 namespace Octokit.Internal
 {
-    public static class ApiInfoParser
+    internal static class ApiInfoParser
     {
         const RegexOptions regexOptions =
 #if NETFX_CORE

Octokit/Http/Response.cs

@@ -7,7 +7,7 @@ namespace Octokit.Internal
     /// <summary>
     /// Represents a generic HTTP response
     /// </summary>
-    public class Response : IResponse
+    internal class Response : IResponse
     {
         public Response() : this(new Dictionary<string, string>())
         {