Attempt to fix Issue #22 by changing the URL. (not verified yet)
Change the login URI following to change of edX.
Use the response from edX to notify the user.
Change 'EDX_HOMEPAGE' to get initial token faster.
Fix the 'None' course name problem.
Convert the script into 'UTF-8'. (When it comes ANSI?)
Merge pull request #25 from shk3/follow_edx_change

Follow the layout change of edX to fix #22