fixed title grabing name
fixed the grabbing info for a course
fixed the downloading of the video. Now it grabs the download links in the home-course page. No longer needs to visit each lesson page
fixed login url
fixed lesson name to video name
fixed download link
added leading zeros

for better sorting
added download of source files

quick hack using the video downloader to also download a courses source files (if there are any)
video download fixed

video download fixed and some code cleanup
fixed course naming problem

some course and video names contain forward slashes which have to be removed as we use them as file name