Set language version to latest.

Author: AraHaan

XmlAbstraction.csproj

@@ -26,15 +26,17 @@
     <DocumentationFile>bin\Debug\XmlAbstraction.xml</DocumentationFile>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
+    <DebugType>full</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
+    <ErrorReport>send</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>XmlAbstraction.ruleset</CodeAnalysisRuleSet>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <DocumentationFile>bin\Release\XmlAbstraction.xml</DocumentationFile>
+    <LangVersion>latest</LangVersion>
+    <DebugSymbols>true</DebugSymbols>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />

XmlObject.cs

@@ -15,7 +15,7 @@ namespace XmlAbstraction
     /// <summary>
     /// Class that allows Reading and Writing of XML Files.
     /// </summary>
-    public sealed partial class XmlObject : IDisposable
+    public class XmlObject : IDisposable
     {
         // TODO: Add functions to remove XML Entries and Attributes too.
         // TODO: Finish Read(string elementname, string attributename) and Write(string elementname, string attributename, object attributevalue) shortcut methods.