Add print_traceback option to shiva.utils.ignored
Ignored Last.FM exceptions
Sorted imports
Fix for python < 3
Missing import
Objects now register the date they were added
Restructured output
Better handling of unexpected values in MDMa

MDMa = MetaData Manager :P
Slugifying artists and albums in the correct place
Some clarification regarding the --reindex option
Better random resource retrieval

It was using a retarded approach to obtaining a random row from the database.
Now uses a SQL function. Bad thing is that it only works for PostgreSQL, SQLite
and MySQL, but I think is enough for now.
Returning strings > 36 chars
Simpler slugify

Moving slugify away from the models file, makes no sense to have it there.
Simplified algorithm, no DB hitting.
Added SQLite prerequisite
Added /whatsnew resource
/whatsnew documentation
Checking for repeated slugs after writing to DB

DERP.
Unifying output format
Added ALLOWED_FILE_EXTENSIONS config

This setting allows to define a specific set of extensions to be indexed, and
not all the possible formats supported by Mutagen.
Provided Last.FM with some verbosity