when fit!-ing a Group to a NamedTuple, the names are ignored

[schlichtanders]

using OnlineStats
o = Group(hi = Mean(), b = Counter())
fit!(o, [(b = 5, hi = 1)])

returns

Group
├─ Mean: n=1 | value=5.0
└─ Counter: n=1 | value=1

This is very confusing. If names are given on both sides, on definition of the Monoid and on the data, then it is at least for me intuitive if the data would be matched to the aggregators by names.

[joshday]

fit!-ing is based on iteration: https://joshday.github.io/OnlineStats.jl/latest/howfitworks/

This is a good "OnlineStats 2.0" feature, but probably too much of a breaking change for now.

[schlichtanders]

I guess the breaking part is that currently using entirely different keys still works.