Update README.md

Fixed site_health link and added SimpleStopWatch to README.md

Author: praneethr86

README.md

@@ -60,5 +60,9 @@ In the scripts the comments and other documents are lined up correctly when they
 - [Google_News.py](https://github.com/geekcomputers/Python/blob/master/Google_News.py) - Uses BeautifulSoup to provide Latest News Headline along with news link.
 
 - [cricket_live_score](https://github.com/geekcomputers/Python/blob/master/Cricket_score.py) - Uses BeautifulSoup to provide live cricket score.
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 - [youtube.py](https://github.com/geekcomputers/Python/blob/master/youtube.py) - Takes a song name as input and fetches the YouTube url of the best matching song and plays it.  
-- [site_health.py](https://github.com/geekcomputers/Python/blob/master/youtube.py) - This script is very useful for when you just to do a health check on a remote server.
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+- [site_health.py](https://github.com/geekcomputers/Python/blob/master/site_health.py) - This script is very useful for when you just to do a health check on a remote server.
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+- [SimpleStopWatch.py](https://github.com/geekcomputers/Python/blob/master/SimpleStopWatch.py) - Simple Stop Watch implementation using Python's time module.