Fix for #25, improving compatibility with lowering to netstandard2.0

Author: ChaosEngine

src/Pomelo.Extensions.Caching.MySql/Pomelo.Extensions.Caching.MySql.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Distributed cache implementation of Microsoft.Extensions.Caching.Distributed.IDistributedCache using MySql.</Description>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyName>Pomelo.Extensions.Caching.MySql</AssemblyName>
     <PackageId>Pomelo.Extensions.Caching.MySql</PackageId>
     <PackageTags>cache;distributedcache;mysql</PackageTags>
@@ -11,7 +11,7 @@
     <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
     <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
     <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
-    <Version>2.1.1</Version>
+    <Version>2.1.2</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>Pomelo.snk</AssemblyOriginatorKeyFile>

test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj

@@ -9,7 +9,7 @@
 	  <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
-    <Version>2.1.1</Version>
+    <Version>2.1.2</Version>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>Pomelo.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>