Update Web.config

Fix bindingRedirect.

Author: Martin Makarský

DancingGoat/Web.config

@@ -52,7 +52,7 @@
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
 			<dependentAssembly>
 				<assemblyIdentity name="System.Net.Http" publicKeyToken="B03F5F7F11D50A3A" culture="neutral"/>
-				<bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.2.0.0"/>
+				<bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.0.0.0"/>
 			</dependentAssembly>
 			<dependentAssembly>
 				<assemblyIdentity name="System.Xml.XPath.XDocument" publicKeyToken="B03F5F7F11D50A3A" culture="neutral"/>