Additional tests, inventory fixes

core/src/io/anuke/mindustry/maps/Map.java

@@ -32,4 +32,13 @@ public class Map{
     public String getDisplayName(){
         return meta.tags.get("name", name);
     }
+
+    @Override
+    public String toString(){
+        return "Map{" +
+                "name='" + name + '\'' +
+                ", custom=" + custom +
+                ", meta=" + meta +
+                '}';
+    }
 }

core/src/io/anuke/mindustry/maps/MapMeta.java

@@ -37,4 +37,13 @@ public class MapMeta{
     public boolean hasOreGen(){
         return !tags.get("oregen", "0").equals("0");
     }
+
+    @Override
+    public String toString(){
+        return "MapMeta{" +
+                "tags=" + tags +
+                ", width=" + width +
+                ", height=" + height +
+                '}';
+    }
 }