ytdl retriability

[ctengel]

How do we tell what is missing?

[ctengel]

• Ability to get rest of pl items if one fails
• ignore errors is simplest way - maybe random?
• related to #15
• Also way to non-recurse ytdl playlist and way to ensure full playlist JSOn even if we already have partial

[ctengel]

Next steps:

1. Allow a pass through of ignore errors or other ytdl parameters
2. Allow a way to request complete JSON including what we have, and include clear distinction in JSON output if not (see #19)
3. Create a way to invoke manually in combination with #15 efforts