First big Step!

	- The database creator is almost finished, perhaps I will modify it
	 in order to improve the performance of future queries. We will see...
	- Harvesting.py is program which downloads data from twitter using
	the keyword beer. Then it stores the tweets in the database that I
	have created. I have tested and it works. However I want to add
	trustable software tests and I have to find a way to download tweets
	with more than only one keyword.