Dynamic loading without importing everything from __init__

Make everything faster :)
The EXIF parser is way to slow

Add more types and information.

Create a REAME

Update inline docs

Move external submodules like eyeD3 and the discID code to an extra
dir lib to serperate our code from external modules we just copy.

Create doc in the Wiki and dump it into the doc subdir

Add list of external files kaa.beacon should know about

Check attributes. Some are very similar and could be merged

Make bitrate kbit/s

If possible, attributes should match
http://www.freedesktop.org/wiki/Standards_2fshared_2dfilemetadata_2dspec
and mime type should match
http://www.freedesktop.org/wiki/Standards_2fshared_2dmime_2dinfo_2dspec
