diff --git a/ICSharpCode.NRefactory.CSharp.Refactoring/ICSharpCode.NRefactory.CSharp.Refactoring.csproj b/ICSharpCode.NRefactory.CSharp.Refactoring/ICSharpCode.NRefactory.CSharp.Refactoring.csproj
index 02e165f0c..207d0c056 100644
--- a/ICSharpCode.NRefactory.CSharp.Refactoring/ICSharpCode.NRefactory.CSharp.Refactoring.csproj
+++ b/ICSharpCode.NRefactory.CSharp.Refactoring/ICSharpCode.NRefactory.CSharp.Refactoring.csproj
@@ -35,7 +35,7 @@
     <DefineConstants>TRACE;FULL_AST;NET_4_0</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>none</DebugType>
+    <DebugType>pdbonly</DebugType>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
     <OutputPath>..\bin\Release\</OutputPath>
     <WarningLevel>4</WarningLevel>
diff --git a/ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj b/ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj
index 80522fbdd..0d12aaaff 100644
--- a/ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj
+++ b/ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj
@@ -396,7 +396,7 @@
       <Name>ICSharpCode.NRefactory</Name>
     </ProjectReference>
   </ItemGroup>
-  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup />
   <ProjectExtensions>
     <MonoDevelop>
@@ -417,4 +417,4 @@
     <Folder Include="PatternMatching\" />
     <Folder Include="IndentEngine\" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/ICSharpCode.NRefactory.Cecil/ICSharpCode.NRefactory.Cecil.csproj b/ICSharpCode.NRefactory.Cecil/ICSharpCode.NRefactory.Cecil.csproj
index cfeca0814..9a5ef9892 100644
--- a/ICSharpCode.NRefactory.Cecil/ICSharpCode.NRefactory.Cecil.csproj
+++ b/ICSharpCode.NRefactory.Cecil/ICSharpCode.NRefactory.Cecil.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -86,16 +86,16 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="Mono.Cecil">
-      <HintPath>..\..\..\packages\Mono.Cecil.0.10.0-beta4\lib\net40\Mono.Cecil.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.10.0-beta6\lib\net40\Mono.Cecil.dll</HintPath>
     </Reference>
     <Reference Include="Mono.Cecil.Mdb">
-      <HintPath>..\..\..\packages\Mono.Cecil.0.10.0-beta4\lib\net40\Mono.Cecil.Mdb.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.10.0-beta6\lib\net40\Mono.Cecil.Mdb.dll</HintPath>
     </Reference>
     <Reference Include="Mono.Cecil.Pdb">
-      <HintPath>..\..\..\packages\Mono.Cecil.0.10.0-beta4\lib\net40\Mono.Cecil.Pdb.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.10.0-beta6\lib\net40\Mono.Cecil.Pdb.dll</HintPath>
     </Reference>
     <Reference Include="Mono.Cecil.Rocks">
-      <HintPath>..\..\..\packages\Mono.Cecil.0.10.0-beta4\lib\net40\Mono.Cecil.Rocks.dll</HintPath>
+      <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.10.0-beta6\lib\net40\Mono.Cecil.Rocks.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/ICSharpCode.NRefactory.Cecil/packages.config b/ICSharpCode.NRefactory.Cecil/packages.config
index 9a09d827a..8b1b9ad8d 100644
--- a/ICSharpCode.NRefactory.Cecil/packages.config
+++ b/ICSharpCode.NRefactory.Cecil/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Mono.Cecil" version="0.10.0-beta4" targetFramework="net40" />
+  <package id="Mono.Cecil" version="0.10.0-beta6" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/ICSharpCode.NRefactory/TypeSystem/IMethod.cs b/ICSharpCode.NRefactory/TypeSystem/IMethod.cs
index d73616d35..a8c79aedf 100644
--- a/ICSharpCode.NRefactory/TypeSystem/IMethod.cs
+++ b/ICSharpCode.NRefactory/TypeSystem/IMethod.cs
@@ -47,6 +47,8 @@ public interface IUnresolvedMethod : IUnresolvedParameterizedMember
 		/// </summary>
 		bool IsAsync { get; }
 
+		bool IsExtensionMethod { get; }
+
 		[Obsolete("Use IsPartial && !HasBody instead")]
 		bool IsPartialMethodDeclaration { get; }
 		
diff --git a/ICSharpCode.NRefactory/TypeSystem/Implementation/TypeParameterReference.cs b/ICSharpCode.NRefactory/TypeSystem/Implementation/TypeParameterReference.cs
index e6ef94003..a32e99fdc 100644
--- a/ICSharpCode.NRefactory/TypeSystem/Implementation/TypeParameterReference.cs
+++ b/ICSharpCode.NRefactory/TypeSystem/Implementation/TypeParameterReference.cs
@@ -49,6 +49,12 @@ public static TypeParameterReference Create(SymbolKind ownerType, int index)
 		readonly SymbolKind ownerType;
 		readonly int index;
 
+		public SymbolKind OwnerType {
+			get {
+				return ownerType;
+			}
+		}
+
 		public int Index {
 			get {
 				return index;