Proposal: Generate `Map` method for all keyed lists.

[wenovus]

See comment I sent offline for more details. This would mean that for all lists in compressed generation, that this method would be generated. For atomic lists the path simply ends here.

The benefits are (for compressed generation only),

1. Allows querying just the whole list without using batch.
2. Allows replacing on the whole list rather than one element at a time.

[greg-dennis]

Should the suffix be "Map" instead of "All"? That "Any" means "return a slice" and "All" means "return a map" seems a little cryptic to me. What do you think?

[wenovus]

Should the suffix be "Map" instead of "All"? That "Any" means "return a slice" and "All" means "return a map" seems a little cryptic to me. What do you think?

I like it. I'll use Map.

[DanG100]

agreed on Map to prevent confusing Any with All

[coveralls]

Pull Request Test Coverage Report for Build 5351171312

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 83.946%

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Totals
Change from base Build 5351167516:	0.0%
Covered Lines:	1736
Relevant Lines:	2068

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💛 - Coveralls