New features
Now you can send a link with Yo.
Examples
client = YoClient::Client.new(API_TOKEN)
client.yoall # Yo all w/o links
client.yoall(link: 'http://youcune.com/') # Yo all w/ a link
client.yo('YOUCUNE') # Yo YOUCUNE w/o links
client.yo('YOUCUNE', link: 'http://youcune.com/') # Yo YOUCUNE w/o links