Make the getList related things in YAMLProcessor w

rite defaults. This fixes an issue in plugins that use this config system, where they are sometimes not written.

Most noticable in CraftBook, where all String Lists are not written to the config file.

src/main/java/com/sk89q/util/yaml/YAMLNode.java

@@ -443,6 +443,7 @@ public class YAMLNode {
     public List<String> getStringList(String path, List<String> def) {
         List<Object> raw = getList(path);
         if (raw == null) {
+            if (writeDefaults && def != null) setProperty(path, def);
             return def != null ? def : new ArrayList<String>();
         }
 
@@ -472,6 +473,7 @@ public class YAMLNode {
     public List<Integer> getIntList(String path, List<Integer> def) {
         List<Object> raw = getList(path);
         if (raw == null) {
+            if (writeDefaults && def != null) setProperty(path, def);
             return def != null ? def : new ArrayList<Integer>();
         }
 
@@ -500,6 +502,7 @@ public class YAMLNode {
     public List<Double> getDoubleList(String path, List<Double> def) {
         List<Object> raw = getList(path);
         if (raw == null) {
+            if (writeDefaults && def != null) setProperty(path, def);
             return def != null ? def : new ArrayList<Double>();
         }
 
@@ -528,6 +531,7 @@ public class YAMLNode {
     public List<Boolean> getBooleanList(String path, List<Boolean> def) {
         List<Object> raw = getList(path);
         if (raw == null) {
+            if (writeDefaults && def != null) setProperty(path, def);
             return def != null ? def : new ArrayList<Boolean>();
         }
 
@@ -651,6 +655,7 @@ public class YAMLNode {
     public List<YAMLNode> getNodeList(String path, List<YAMLNode> def) {
         List<Object> raw = getList(path);
         if (raw == null) {
+            if (writeDefaults && def != null) setProperty(path, def);
             return def != null ? def : new ArrayList<YAMLNode>();
         }