Push Release 6.4.0.9

- Fixed turn diameter bug. #7550
- Enables Shields attached at front of ShieldAIDrivers.
- Small CompactingAIDriver fix.
- Enables automatic shield work width calculation.
- diff small MP fixes
- Use another speed in follow Chopper through Turn to make it more reliable

modDesc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="no" ?>
 <modDesc descVersion="53">
-	<version>6.4.0.8</version>
+	<version>6.4.0.9</version>
 	<author><![CDATA[Courseplay.devTeam]]></author>
 	<title>
 		<en>CoursePlay</en>