Add toString() method.

workspace/ttnhabbridge/src/main/java/nl/sikken/bertrik/hab/habitat/UploadResult.java

@@ -3,8 +3,7 @@ package nl.sikken.bertrik.hab.habitat;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 /**
- * @author bertrik
- *
+ * UploadResult object for uploaded documents.
  */
 public final class UploadResult {
     
@@ -33,4 +32,9 @@ public final class UploadResult {
         return rev;
     }
     
+    @Override
+    public String toString() {
+        return String.format("ok=%s,id=%s,rev=%s", ok, id, rev);
+    }
+    
 }