Add support for shortened youtube URLs
Add unicode plugin
Improve unicode plugin output

Includes code point now.
Improve python

Use x is None instead of not x to avoid unwanted cases.
Avoid flooding with large messages
Add pastebin plugin
Refactor pastebin plugin
Switch to a reentrant mutex lock, fixes #25

Also increase the IRC wait timeout.
Move plugin on_message calling into separate method
Move plugin execution into own thread, close #26
Implement initial wait plugin

Currently only supports waiting for a time.
Add exception to stop command execution
Add channel to YouTube plugin output, close #33
Add venv to .gitignore
Add ISO8601 time interval parser, close #34

Also improve code formatting of YouTube plugin.
Replace define plugin with newer freebase plugin
Fix print output
Make freebase plugin send long text to sprunge
Only get freebase information from description
Provide common requests session for plugins