Added modules getter to the ScriptingEngine and allow empty base base package names in JavaNativeModule

JavaIntegration/src/main/java/org/openzen/zencode/java/JavaNativeModule.java

 	}
 	
 	private ZSPackage getPackage(String className) {
+		//TODO validate
+		if(this.basePackage == null || this.basePackage.isEmpty())
+			return pkg;
 		//TODO make a lang package?
 		if (!className.contains(".") || className.startsWith("java.lang"))
 			return pkg;

JavaIntegration/src/main/java/org/openzen/zencode/java/ScriptingEngine.java

 			runUnit.dump(new File("classes"));
 		runUnit.run(arguments, parentClassLoader);
 	}
+	
+	public List<JavaNativeModule> getNativeModules() {
+		return Collections.unmodifiableList(this.nativeModules);
+	}
 }