1.5.0.19

Add trailers, theme videos genres and tweak the events used

1.5.0.18

Rename missing metadata provider

to extra metadata provider, since it can provide extra metadata such
as trailers, theme videos and missing episodes.

1.5.0.17

Add support for dual-level libraries

1.5.0.16

Hopefully fix the metadata provider this time

1.5.0.15

Don't add a special season if one already exists

1.5.0.14

Try to fix the metadata provider, but still fail miserably at it.

Though it's still better off

1.5.0.13

Hopefully fix the missing metadata provider

1.5.0.12

Delete virtual items and force a re-fetch of real children

1.5.0.11

Fix the missing-metadata/episode/season providers

1.5.0.10

Feature: Add a missing metadata provider