Fixed the youtube-upload executable

PR #100 broke the project. This cleans it up and requires much less
boilerplate code

setup.py

@@ -26,7 +26,7 @@ setup_kwargs = {
     ],
     "entry_points": {
         'console_scripts': [
-            'youtube-upload = youtube_upload.cmdline:cmdline_main'
+            'youtube-upload = youtube_upload.main:run'
         ],
     }
 }

youtube_upload/cmdline.py

@@ -1,5 +0,0 @@
-from youtube_upload import main
-
-
-def cmdline_main():
-    main()