diff --git a/nbproject/project.properties b/nbproject/project.properties
index 9d1d0d7..91e8511 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -1,4 +1,4 @@
-#Sat, 29 Dec 2018 19:58:50 +0100
+#Sat, 29 Dec 2018 21:04:02 +0100
 annotation.processing.enabled=true
 annotation.processing.enabled.in.editor=false
 annotation.processing.processors.list=
@@ -114,4 +114,4 @@ source.encoding=UTF-8
 src.dir=src
 test.src.dir=test
 ivy.home=/usr/share/java
-ivy.classpath=lib/gson-2.8.5-javadoc.jar\:lib/gson-2.8.5-sources.jar\:lib/gson-2.8.5.jar\:lib/jackson-annotations-2.9.0.jar\:lib/jackson-core-2.9.7-javadoc.jar\:lib/jackson-core-2.9.7-sources.jar\:lib/jackson-core-2.9.7.jar\:lib/jackson-databind-2.9.7-javadoc.jar\:lib/jackson-databind-2.9.7-sources.jar\:lib/jackson-databind-2.9.7.jar\:lib/javahelp-2.0.05-javadoc.jar\:lib/javahelp-2.0.05-sources.jar\:lib/javahelp-2.0.05.jar\:lib/json-20160810-javadoc.jar\:lib/json-20160810-sources.jar\:lib/json-20160810.jar
+ivy.classpath=lib/commons-cli-1.0-javadoc.jar\:lib/commons-cli-1.0-sources.jar\:lib/commons-cli-1.0.jar\:lib/commons-lang-2.0-javadoc.jar\:lib/commons-lang-2.0-sources.jar\:lib/commons-lang-2.0.jar\:lib/commons-logging-1.0.jar\:lib/gson-2.8.5-javadoc.jar\:lib/gson-2.8.5-sources.jar\:lib/gson-2.8.5.jar\:lib/jackson-annotations-2.9.0.jar\:lib/jackson-core-2.9.7-javadoc.jar\:lib/jackson-core-2.9.7-sources.jar\:lib/jackson-core-2.9.7.jar\:lib/jackson-databind-2.9.7-javadoc.jar\:lib/jackson-databind-2.9.7-sources.jar\:lib/jackson-databind-2.9.7.jar\:lib/javahelp-2.0.05-javadoc.jar\:lib/javahelp-2.0.05-sources.jar\:lib/javahelp-2.0.05.jar\:lib/json-20160810-javadoc.jar\:lib/json-20160810-sources.jar\:lib/json-20160810.jar
diff --git a/src/opensesim/world/SimpleTrader.java b/src/opensesim/world/SimpleTrader.java
index 864131e..d1e5738 100644
--- a/src/opensesim/world/SimpleTrader.java
+++ b/src/opensesim/world/SimpleTrader.java
@@ -25,23 +25,8 @@
  */
 package opensesim.world;
 
-import opensesim.world.AbstractAsset;
-import opensesim.world.AbstractTrader;
-import opensesim.world.AssetPair;
-import opensesim.world.Exchange;
-import opensesim.world.Order;
-import opensesim.world.TradingAPI;
-import opensesim.world.World;
 import opensesim.util.scheduler.Event;
 import opensesim.util.scheduler.EventListener;
-import opensesim.world.AbstractAsset;
-import opensesim.world.AbstractTrader;
-import opensesim.world.Account;
-import opensesim.world.AssetPair;
-import opensesim.world.Exchange;
-import opensesim.world.Order;
-import opensesim.world.TradingAPI;
-import opensesim.world.World;
 import org.json.JSONObject;
 
 /**
@@ -125,8 +110,8 @@ public class SimpleTrader extends AbstractTrader implements EventListener {
         api = ex.getAPI(p);   
         
 
-    Order oa = api.createOrder(account_b, Order.Type.BUY, 200, 0);
-    Order ob = api.createOrder(account_s, Order.Type.SELL, 100, 0);
+    Order oa = api.createOrder(account_b, Order.Type.BUYLIMIT, 200, 100);
+    Order ob = api.createOrder(account_s, Order.Type.SELLLIMIT, 200,200);
 
     
      //   Order oa = api.createOrder(account_b, Order.Type.BUYLIMIT, 100, 10.0); 
diff --git a/src/opensesim/world/TradingEngine.java b/src/opensesim/world/TradingEngine.java
index e80be37..74e1ca8 100644
--- a/src/opensesim/world/TradingEngine.java
+++ b/src/opensesim/world/TradingEngine.java
@@ -250,11 +250,12 @@ class TradingEngine implements TradingAPI {
             this.checkSLOrders(price);
             }
              */
+            
             //
             // Match limited orders against limited orders
             //
             if (bidbook.isEmpty() || askbook.isEmpty()) {
-                // no orders at all, nothing to do
+                // no limit orders at all, nothing to do
                 break;
             }