Add bindConstants() builtin function

[mfleader]

Changes introduced with this PR

Add bindConstants() to the builtin functions.

input.yaml

repeated_inputs:
  a: A
  b: B
items:
- 1
- 2

bindConstants( [1, 2], {a: A, b: B} )
# [ { items: 1, constants: {a: A, b: B} },
#   { items: 2, constants: {a: A, b: B} } ]

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[jaredoconnell]

Very close to ready. There are a few spots that I think could use more comments, and potentially some minor gaps in testing.

[webbnh]

👍

[jaredoconnell]

Very close to ready.

[webbnh]

👍

[webbnh]

👍