Updated README with more known issues.

Author: leekelleher

README.md

@@ -57,9 +57,12 @@ A PDF download is also available: [Nested Content - Developers Guide v1.0.pdf](d
 
 Please be aware that not all property-editors will work within Nested Content. The following property-editors are known to have compatibility issues:
 
-* Upload (default Umbraco core)
+* Checkbox List (default Umbraco core)
 * Image Cropper (default Umbraco core)
 * Macro Container (default Umbraco core)
+* Radiobutton List (default Umbraco core)
+* Repeatable Textstring (default Umbraco core) - this works in the back-office, but due to a bug in the value-converter it will produce additional blank entries
+* Upload (default Umbraco core)
 
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