Update README for version 0.3.4

Author: Triple-Z

README.md

@@ -2,8 +2,11 @@
 
 ![Python Version](https://img.shields.io/badge/python-3.6-blue.svg)
 [![pypi package](https://img.shields.io/pypi/v/NUAAiCal.svg)](https://pypi.python.org/pypi/NUAAiCal/)
+![PyPI - Status](https://img.shields.io/pypi/status/NUAAiCal.svg)
 ![PyPI - License](https://img.shields.io/pypi/l/NUAAiCal.svg)
 
+Export the curriculum of NUAA to a `.ics` calendar file, in order to import 
+class events to other calendars (e.g. Google Calendar).
 
 :us: English | :cn: [简体中文](/README_zh-hans.md)
 

README_zh-hans.md

@@ -2,10 +2,13 @@
 
 ![Python Version](https://img.shields.io/badge/python-3.6-blue.svg)
 [![pypi package](https://img.shields.io/pypi/v/NUAAiCal.svg)](https://pypi.python.org/pypi/NUAAiCal/)
+![PyPI - Status](https://img.shields.io/pypi/status/NUAAiCal.svg)
 ![PyPI - License](https://img.shields.io/pypi/l/NUAAiCal.svg)
 
 :us: [English](/README.md) | :cn: 简体中文
 
+将南京航空航天大学的课程表（不含体育、实验等课程）导出成 `.ics` 日历格式，以将课程事件导入其他日历软件（如 Google Calendar）。
+
 ## 安装
 
 ### PyPI 安装

setup.py

@@ -10,11 +10,12 @@
 
 setup(
     name='NUAAiCal',
-    version='0.3.3',
+    version='0.3.4',
     description='Generate NUAA curriculum to iCalendar file.',
     url='https://github.com/Triple-Z/NUAA-iCal-Python',
     author='TripleZ',
     author_email='me@triplez.cn',
+    license='MIT',
     classifiers=[
         # How mature is this project? Common values are
         #   3 - Alpha