Releasing v3.1.2

Author: ENikS

package.props

@@ -1,7 +1,7 @@
 <Project>
 
   <PropertyGroup>
-    <Version>3.1.1</Version>
+    <Version>3.1.2</Version>
     <PackageReleaseNotes>This package is distributed as .NET Standard 1.0, 2.0, .Net Core 1.0 and .NET 4.0, 4.5, 4.7</PackageReleaseNotes>
   </PropertyGroup>