File list (Check if you may need any files):
Artech.WCFService
.................\Artech.WCFService.Client
.................\........................\app.config
.................\........................\Artech.WCFService.Client.csproj
.................\........................\Artech.WCFService.Client.csproj.user
.................\........................\bin
.................\........................\...\Debug
.................\........................\...\.....\Artech.WCFService.Client.exe
.................\........................\...\.....\Artech.WCFService.Client.exe.config
.................\........................\...\.....\Artech.WCFService.Client.pdb
.................\........................\...\.....\Artech.WCFService.Client.vshost.exe
.................\........................\...\.....\Artech.WCFService.Client.vshost.exe.config
.................\........................\...\.....\Artech.WCFService.Client.vshost.exe.manifest
.................\........................\...\.....\Artech.WCFService.Contract.dll
.................\........................\...\.....\Artech.WCFService.Contract.pdb
.................\........................\...\Release
.................\........................\CalculatorCallbackHandler.cs
.................\........................\DuplexCalculatorClient.cs
.................\........................\GeneralCalculatorClient.cs
.................\........................\obj
.................\........................\...\Artech.WCFService.Client.csproj.FileList.txt
.................\........................\...\Debug
.................\........................\...\.....\Artech.WCFService.Client.csproj.FileListAbsolute.txt
.................\........................\...\.....\Artech.WCFService.Client.exe
.................\........................\...\.....\Artech.WCFService.Client.pdb
.................\........................\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.................\........................\...\.....\Refactor
.................\........................\...\.....\TempPE
.................\........................\Program.cs
.................\........................\Properties
.................\........................\..........\AssemblyInfo.cs
.................\........................\SessionfulCalculatorClient.cs
.................\Artech.WCFService.Contract
.................\..........................\Artech.WCFService.Contract.csproj
.................\..........................\Artech.WCFService.Contract.csproj.user
.................\..........................\bin
.................\..........................\...\Debug
.................\..........................\...\.....\Artech.WCFService.Contract.dll
.................\..........................\...\.....\Artech.WCFService.Contract.pdb
.................\..........................\...\Release
.................\..........................\ICalculatorCallback.cs
.................\..........................\IDuplexCalculator.cs
.................\..........................\IGeneralCalculator.cs
.................\..........................\ISessionfulCalculator.cs
.................\..........................\obj
.................\..........................\...\Artech.WCFService.Contract.csproj.FileList.txt
.................\..........................\...\Debug
.................\..........................\...\.....\Artech.WCFService.Contract.csproj.FileListAbsolute.txt
.................\..........................\...\.....\Artech.WCFService.Contract.dll
.................\..........................\...\.....\Artech.WCFService.Contract.pdb
.................\..........................\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.................\..........................\...\.....\Refactor
.................\..........................\...\.....\........\Artech.WCFService.Contract.dll
.................\..........................\...\.....\TempPE
.................\..........................\Properties
.................\..........................\..........\AssemblyInfo.cs
.................\..........................\Service Contract
..............