Python style and legibility cleanup for #92
changelog for #92
remove verbose option (#92)

The lastgenre command should always log what it's doing so the user can see
the progress being made. If you really don't want any output, just pipe to
/dev/null.
simplify configuration handling (#92)
canonicalize original genre (#92)
lastgenre: "auto" config option
collapse separate album and item paths (#92)

Should reduce copypasta overhead significantly.