Improved: Barcode scaling for PDF417 and Code128 (#219)

* Improved: Code128 charset usage
Improved: PDF417 scaling
Improved: DHL uses a decimal height for PDF417
Improved: PDF417 size when no column value is given

* Improved: PDF417 uses correct vertical scaling now

* Improved: GS1 type support
Improved: Code128 invocation filtering

src/BinaryKits.Zpl.Viewer.WebApi/BinaryKits.Zpl.Viewer.WebApi.csproj

@@ -42,6 +42,9 @@
     <None Update="Labels\Test\Barcode39-102x152.zpl2">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
+    <None Update="Labels\Test\Barcode93-102x152.zpl2">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
     <None Update="Labels\Test\DownloadGraphicsCompressed-54x86.zpl2">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>