Call an array of asynchronous functions in series
var series =
fns is an array of functions to call in series.
The argument signature should be:
That is, each function should only take a
done as an argument.
Each callback should only take an optional
Error as an argument.
Optional context to pass to each
Only argument is an
It will return the first error in the series of functions that returns an error,
and no function after will be called.
The MIT License (MIT)
Copyright (c) 2013 Jonathan Ong firstname.lastname@example.org
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