Modified gitignore
Improved IEEEcrawler code readability
Fixed an error in fetch_pubs_from_pages
Refactored fetch_results to improve code readability
Added a database handler
Renamed fetch_results to fetch_pubs
Removed redundant code
Merged from master. Resolved a conflict
Added code to handle the case the user gives firstname and lastname of the author
Minor changes to improve readability
Changed database charset in order to store data as utf8
Removed obsolete code. Modified fetch_pubs_from_pages to crawl all pages
Publication year is converted into datetime object and saved into database