correct vs 2019 prerequisite compatibility

Beckman.Snippets/ReleaseNotes.txt

@@ -23,9 +23,13 @@ Added release notes.
 
 Add IDisposable override for Controllers, which already implement IDisposable in the base class.
 
-## In Progress
+## 1.2.3
 
 * Switch to NCSA license.
 * Add wildcard compatibility for future VS releases.
 * Migrate to vs 15.0.
 * Wrap IDisposable snippets in region.
+
+## 1.2.4
+
+* Correct core editor compatibility for vs2019.

Beckman.Snippets/source.extension.vsixmanifest

 <?xml version="1.0" encoding="utf-8"?>
 <PackageManifest Version="2.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2011" xmlns:d="http://schemas.microsoft.com/developer/vsx-schema-design/2011">
     <Metadata>
-        <Identity Id="Beckman.Snippets.Andrew Reynolds.554a17d5-acf8-469c-ad75-060f99bab879" Version="1.2.3" Language="en-US" Publisher="Andrew Reynolds" />
+        <Identity Id="Beckman.Snippets.Andrew Reynolds.554a17d5-acf8-469c-ad75-060f99bab879" Version="1.2.4" Language="en-US" Publisher="Andrew Reynolds" />
         <DisplayName>Beckman Snippets</DisplayName>
         <Description xml:space="preserve">Visual Studio code snippets commonly used in Beckman projects.</Description>
         <MoreInfo>http://madskristensen.net/post/shipping-visual-studio-snippets-in-an-extension</MoreInfo>
@@ -19,6 +19,6 @@
         <Asset Type="Microsoft.VisualStudio.VsPackage" d:Source="File" Path="BeckmanSnippets.pkgdef" />
     </Assets>
     <Prerequisites>
-        <Prerequisite Id="Microsoft.VisualStudio.Component.CoreEditor" Version="[15.8.27729.1,16.0)" DisplayName="Visual Studio core editor" />
+        <Prerequisite Id="Microsoft.VisualStudio.Component.CoreEditor" Version="[14.0,)" DisplayName="Visual Studio core editor" />
     </Prerequisites>
 </PackageManifest>