Merge pull request #195 from gumblex/master

统一获取关键词接口，优化缓存命名
Add jiebaR in README
Merge pull request #196 from qinwf/master

Add jiebaR in README
修复带权重测试脚本输出结果是调用顺序错误
Merge pull request #197 from skyerown/master

修复带权重测试脚本输出结果是调用顺序错误