Move play-tagged options into common_loop_options

[Splendide-Imaginarius]

Remove the play-tagged command since it's now redundant.

Fixes #67

[Splendide-Imaginarius]

This turned out to be much simpler than I was anticipating. Everything seems to work fine in my testing, but please do give it a look-over in case I missed some edge case. Hopefully the CLI compatibility break isn't a problem... I think this interface is a lot cleaner than the status quo, and I don't think it should be problematic for scripters to adapt to it, but it is admittedly still a backwards-incompatible change.

[Splendide-Imaginarius]

@arkrow Any idea when you might be able to review this?

[Splendide-Imaginarius]

@arkrow Status?

[Splendide-Imaginarius]

@arkrow Is everything OK? No GitHub activity in over half a year.

[arkrow]

Hello @Splendide-Imaginarius,

Sorry for the long delay. I just haven't been able to commit the time this project needs lately with various life circumstances, but thanks for your contribution and continued interest.

With regards to this PR, the change is a great simplification for the CLI interface, but I believe it'd be preferable to keep the current CLI command and update it to be a facade/proxy to the new logic, while marking it as deprecated in the CLI help text. This way, we avoid introducing a breaking change in the CLI and keep the code lean.