Update NuGet packages

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>

shadowsocks-csharp/FodyWeavers.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Weavers>
   <Caseless StringComparison="Ordinal"/>
   <Costura/>

shadowsocks-csharp/StringEx.cs

@@ -5,6 +5,9 @@ using System.IO;
 using System.Linq;
 using System.Text;
 
+#if EXPOSE_EVERYTHING || EXPOSE_STRINGEX
+public
+#endif
 static partial class StringEx
 {
 #pragma warning disable 1591
@@ -29,7 +32,7 @@ static partial class StringEx
 
     public static bool IsWhiteSpace(this string value)
     {
-        foreach(var c in value)
+        foreach (var c in value)
         {
             if (char.IsWhiteSpace(c)) continue;
 
@@ -56,6 +59,80 @@ static partial class StringEx
     }
 #endif
 
+#if UNSAFE
+    public static unsafe string ToLowerForASCII(this string value)
+    {
+        if (value.IsNullOrWhiteSpace())
+            return value;
+
+        value = string.Copy(value);
+        fixed (char* low = value)
+        {
+            var end = low + value.Length;
+            for (var p = low; p < end; p++)
+            {
+                var c = *p;
+                if (c < 'A' || c > 'Z')
+                    continue;
+                *p = (char)(c + 0x20);
+            }
+        }
+        return value;
+    }
+
+    public static unsafe string ToUpperForASCII(this string value)
+    {
+        if (value.IsNullOrWhiteSpace())
+            return value;
+
+        value = string.Copy(value);
+        fixed (char* low = value)
+        {
+            var end = low + value.Length;
+            for (var p = low; p < end; p++)
+            {
+                var c = *p;
+                if (c < 'a' || c > 'z')
+                    continue;
+                *p = (char)(c - 0x20);
+            }
+        }
+        return value;
+    }
+#else
+    public static string ToLowerForASCII(this string value)
+    {
+        if (value.IsNullOrWhiteSpace())
+            return value;
+
+        var sb = new StringBuilder(value.Length);
+        foreach (var c in value)
+        {
+            if (c < 'A' || c > 'Z')
+                sb.Append(c);
+            else
+                sb.Append((char)(c + 0x20));
+        }
+        return sb.ToString();
+    }
+
+    public static string ToUpperForASCII(this string value)
+    {
+        if (value.IsNullOrWhiteSpace())
+            return value;
+
+        var sb = new StringBuilder(value.Length);
+        foreach (var c in value)
+        {
+            if (c < 'a' || c > 'z')
+                sb.Append(c);
+            else
+                sb.Append((char)(c - 0x20));
+        }
+        return sb.ToString();
+    }
+#endif
+
     #endregion
 
     #region comparing

shadowsocks-csharp/packages.config

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Caseless.Fody" version="1.4.1" targetFramework="net40-client" developmentDependency="true" />
+  <package id="Caseless.Fody" version="1.4.2" targetFramework="net40-client" developmentDependency="true" />
   <package id="Costura.Fody" version="1.3.3.0" targetFramework="net40-client" developmentDependency="true" />
   <package id="Fody" version="1.29.4" targetFramework="net40-client" developmentDependency="true" />
-  <package id="Newtonsoft.Json" version="8.0.2" targetFramework="net40-client" />
-  <package id="StringEx.CS" version="0.2" targetFramework="net40-client" />
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net40-client" />
+  <package id="StringEx.CS" version="0.3.1" targetFramework="net40-client" developmentDependency="true" />
 </packages>

shadowsocks-csharp/shadowsocks-csharp.csproj

@@ -67,8 +67,8 @@
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.VisualBasic" />
-    <Reference Include="Newtonsoft.Json, Version=8.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>3rd\Newtonsoft.Json.8.0.2\lib\net40\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>3rd\Newtonsoft.Json.9.0.1\lib\net40\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />