Fixed so the program can handle if a link already have been posted to Reddit.
Possible to specify news item freshness level and blocked an additional title
The program is now able to create the SQLite table if it doesn't exist.
Possible to run the program from other directories.
Moved the history code to a separate module
The news grabbing code is now in its own module.
Updated the doc in README.
Fixed README.
Made a Reddit module.
Added another title to the block list.
Now possible to specify the freshness level through a program argument.
Merge branch 'dev'. Version 0.2.