Update readme and uplugin file for the 1.4.9 release for UE4.26

PlasticSourceControl.uplugin

@@ -1,7 +1,7 @@
 {
 	"FileVersion": 3,
-	"Version": 42,
-	"VersionName": "1.4.8",
+	"Version": 43,
+	"VersionName": "1.4.9",
 	"FriendlyName": "Plastic SCM",
 	"Description": "Plastic source control management",
 	"Category": "Source Control",

README.md

@@ -4,7 +4,7 @@ Unreal Engine 4 Plastic SCM Source Control Plugin
 [![release](https://img.shields.io/github/release/SRombauts/UE4PlasticPlugin.svg)](https://github.com/SRombauts/UE4PlasticPlugin/releases)
 [![Join the chat at https://gitter.im/SRombauts/UE4PlasticPlugin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/UE4PlasticPlugin)
 
-This is the **official [Plastic SCM](https://www.plasticscm.com/) Source Control Plugin for Unreal Engine 4** (UE 4.11 to 4.27).
+This is the **official [Plastic SCM](https://www.plasticscm.com/) Source Control Plugin for Unreal Engine 4** (UE 4.11 to 4.26).
 It has now been integrated in Unreal Engine and is shipping with it since UE4.24 (in a version equivalent to 1.4.6+). See the Status section bellow for more details
 
 It is not intended to replace [Plastic SCM GUI](https://www.plasticscm.com/documentation/gui/plastic-scm-version-control-gui-guide.shtml) or [command line interface "cm"](https://www.plasticscm.com/documentation/cli/plastic-scm-version-control-cli-guide.shtml).
@@ -171,7 +171,7 @@ The command line needs the quoted path to the UE4Editor.exe, the quoted patch to
 
 This version here is the development version, so it can contain additional fixes, performance improvements or new features.
 
-#### Version 1.4.9 2022/02/28 for UE4.27.2:
+#### Version 1.4.9 2022/03/11 for UE4.26.2:
 - manage connection to the server
 - show current branch name and CL in status text
 - display status icons to show controlled/checked-out/added/deleted/private/changed/ignored/not-up-to-date files