Remove trailing whitespace
Evaluate the status code and do nothing upon failure
Merge pull request #1 from lorenzogil/master

Evaluate the status code and do nothing upon failure
Updated README and AUTHORS.
fixed typos and added bugs to README.
Added better exception handling, fixed a ton of bugs, added setup.py.
Updated README copy.
copy changes to README
fixed classifier section of setup.py
fixed syntax error in setup.py
modified installation instructions to use pip.
AND a typo..
Updated README, added .psd to gitignore.
Rearranged/cleaned up instructions.
pep8, pyflakes, fixed typos, better comments.
Add video signature to download url

YouTube has changed the API a bit, now it requires the video signature
in the download url.
Merge pull request #2 from ablanco/master

Fix download urls