-Increment version to 4.0.7

-Fixed circular reference error when serializing nullable structs
-Fixed JsonReader.ReadAsXXX methods not converting string values

Build/Newtonsoft.Json.nuspec

@@ -3,7 +3,7 @@
   <metadata>
     <id>Newtonsoft.Json</id>
     <title>Json.NET</title>
-    <version>4.0.6</version>
+    <version>4.0.7</version>
     <authors>James Newton-King</authors>
     <description>Json.NET is a popular high-performance JSON framework for .NET</description>
     <language>en-US</language>

Build/build.ps1

@@ -1,6 +1,6 @@
 properties { 
-  $zipFileName = "Json40r6.zip"
-  $majorVersion = "4.0.6"
+  $zipFileName = "Json40r7.zip"
+  $majorVersion = "4.0.7"
   $version = GetVersion $majorVersion
   $signAssemblies = $false
   $signKeyPath = "D:\Development\Releases\newtonsoft.snk"