v1.3.3.3

Added:
- Security bugs fixed

v1.3.3.2

ADDED:
-f option. Follow accounts.

v1.3.3.1

    ADDED:
            - Refactoring
            - Added dynamical prints
            - Setted the plot title
            - Fixed some knows bugs (limit print, typing errors)

v1.3.3

ADDED:
    - Added -i or --info option that calls print_usage(7) = version, github site, License.
    - Added -h or --help option that calls print_usage(0)
    - Added twitterBot_log.txt file function that catches the exceptions and write them into it. 
    - If isn't present any option after -u calls print_usage(8) = Error 8: Bad input
    - Check if the internet connection status is active, otherwise print_usage(6) = Error 6: no internet 
           connection
CHANGED:
    - -h or --hashtags changed in -k or --keywords
REMOVED:
    - Print the website URL on print_usage(0)

v1.3.2: Add files via upload

- added comments
- Change massage printed when a user log in
- adapt visualization of the legend in the chart