Update version number to 6.4

Author: BoltBait

CodeLab.cs

@@ -48,7 +48,7 @@ public class PluginSupportInfo : IPluginSupportInfo
 
     public abstract class CodeLab : Effect
     {
-        internal const string Version = "6.3";
+        internal const string Version = "6.4";
 
         // Includes the Build and Revision fields that are generated by the compiler
         internal static string VersionFull => typeof(CodeLab).Assembly.GetName().Version.ToString();

CodeLabConfigDialog.cs

@@ -1689,7 +1689,7 @@ private void settingsToolStripMenuItem_Click(object sender, EventArgs e)
 
         private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
         {
-            FlexibleMessageBox.Show(WindowTitle + "\nCopyright ©2006-2021, All Rights Reserved.\n\nTom Jackson:\tConcept, Initial Code, Compile to DLL\n\nDavid Issel:\tEffect UI Creation, Effect Icons, Effect Help\n\t\tSystem, File New Complex Pixel Flow Code\n\t\tGeneration, CodeLab Updater, Settings\n\t\tScreen, Bug Fixes), Tutorials and Installer.\n\nJason Wendt:\tMigration to ScintillaNET editor control,\n\t\t.NET 5.0, and the C# 9.0 \"Roslyn\" Compiler.\n\t\tIntelligent Assistance (including code\n\t\tcompletion, tips, snippets, and variable\n\t\tname suggestions), Debug Output, Dark\n\t\tTheme, HiDPI icons, Live Effect Preview,\n\t\tSpellcheck, Filetype plugin creation, and\n\t\tShape editing.\n\nJörg Reichert:\tFlexibleMessageBox", "About CodeLab", MessageBoxButtons.OK, MessageBoxIcon.Information);
+            FlexibleMessageBox.Show(WindowTitle + "\nCopyright ©2006-2021, All Rights Reserved.\n\nTom Jackson:\tConcept, Initial Code, Compile to DLL\n\nDavid Issel:\tEffect UI Creation, Effect Icons, Effect Help\n\t\tSystem, File New Complex Pixel Flow Code\n\t\tGeneration, CodeLab Updater, Settings\n\t\tScreen, Bug Fixes), Tutorials and Installer.\n\nJason Wendt:\tMigration to ScintillaNET editor control,\n\t\t.NET 6.0, and the C# 9.0 \"Roslyn\" Compiler.\n\t\tIntelligent Assistance (including code\n\t\tcompletion, tips, snippets, and variable\n\t\tname suggestions), Debug Output, Dark\n\t\tTheme, HiDPI icons, Live Effect Preview,\n\t\tSpellcheck, Filetype plugin creation, and\n\t\tShape editing.\n\nJörg Reichert:\tFlexibleMessageBox", "About CodeLab", MessageBoxButtons.OK, MessageBoxIcon.Information);
             txtCode.Focus();
         }
         #endregion