Creating set_proxy, which generates proxy urls

Making it a function reduces the amount of repetition.
Merge pull request #1782 from multikatt/proxy

Creating set_proxy, which generates proxy urls
Replacing redundant code with variable
Make embedLyrics() actually check if lyrics found

Checking metalyrics, the variable, not lyrics the module
Added additional extra's for albums (e.g. dj-mix or mixtape/street).
Merge pull request #1786 from piejanssens/develop

Added additional extra's for albums (e.g. dj-mix or mixtape/street).
Merge pull request #1783 from multikatt/lyrics

Actually check if lyrics are found
Update README with IRC instructions

We have an IRC channel now!
Merge branch 'develop'