Bump version number to 2.1.0 (#32)

Author: ahsteele

src/Arcus/Arcus.csproj

@@ -26,7 +26,7 @@
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     <TargetFramework>netstandard1.3</TargetFramework>
     <Title>Arcus</Title>
-    <Version>2.0.1</Version>
+    <Version>2.1.0</Version>
   </PropertyGroup>
 
   <ItemGroup>