Upped version to 0.20.4

Author: Nucs

src/NumSharp.Core/NumSharp.Core.csproj

@@ -12,8 +12,8 @@
     <Copyright>2019 © SciSharp STACK Team</Copyright>
     <RepositoryUrl>https://github.com/SciSharp/NumSharp</RepositoryUrl>
     <PackageReleaseNotes>Fixed minor bugs.</PackageReleaseNotes>
-    <AssemblyVersion>0.20.3</AssemblyVersion>
-    <FileVersion>0.20.3</FileVersion>
+    <AssemblyVersion>0.20.4</AssemblyVersion>
+    <FileVersion>0.20.4</FileVersion>
     <RepositoryType>git</RepositoryType>
     <PackageTags>Numpy, NumSharp, MachineLearning, Math, Scientific, Numeric, Mathlab, SciSharp</PackageTags>
     <PackageLicenseUrl></PackageLicenseUrl>
@@ -23,7 +23,7 @@
     <Product>NumSharp</Product>
     <Company>SciSharp STACK</Company>
     <RootNamespace>NumSharp</RootNamespace>
-    <Version>0.20.3</Version>
+    <Version>0.20.4</Version>
     <Version Condition=" '$(VersionSuffix)' != '' ">$(Version)-$(VersionSuffix)</Version>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <AssemblyOriginatorKeyFile>Open.snk</AssemblyOriginatorKeyFile>