Merge pull request #1 from nicolapcweek94/master

Pythonified stuff
port the MegaTokyo downloader uses the utility module. also, now dump/download command line arguments are available
port imgur downloader to utility module, fix an error in imgursingle function
add some sort of 'argument parsing' to imgur_downloader
add mangaeden downloader. implement the *_ninja functions in utils.py in order to bypass the user-agent checks
updated readme
moar permissions