doc/user/pm.md
### PM ( private messaging )
```
client.messages_list
# Reads all messages from user 'ouna-'
client.messages_read(:param1 => 'ouna-')
# delete all messages from user 'ouna-'
client.messages_delete(:param1 => 'ouna-')
# send message 'test wykop gem' to user 'ouna-' with wykop.pl logo attached
client.message_send(:param1 => 'ouna-', :body => 'test wykop gem', :embed => 'http://wykop.pl/logo.png')