WIP update/refactoring on caching

src/main/java/com/avaje/ebeaninternal/server/cache/CachedManyIds.java

@@ -2,16 +2,22 @@ package com.avaje.ebeaninternal.server.cache;
 
 import java.util.List;
 
+/**
+ * The cached data for O2M and M2M relationships.
+ * <p>
+ * This is effectively just the Id values for each of the beans in the collection.
+ * </p>
+ */
 public class CachedManyIds {
 
-	private final List<Object> idList;
-	
-	public CachedManyIds(List<Object> idList) {
-		this.idList = idList;
-	}
+  private final List<Object> idList;
 
-	public List<Object> getIdList() {
-    	return idList;
-    }
+  public CachedManyIds(List<Object> idList) {
+    this.idList = idList;
+  }
+
+  public List<Object> getIdList() {
+    return idList;
+  }
 
 }