Bug fix in function evaluation

[tdiethe]

Description of changes:

List needs to be splatted for F.concat

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-io]

Codecov Report

Merging #135 into develop will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff            @@
##           develop     #135   +/-   ##
========================================
  Coverage    85.25%   85.25%           
========================================
  Files           77       77           
  Lines         4163     4163           
  Branches       731      731           
========================================
  Hits          3549     3549           
  Misses         411      411           
  Partials       203      203

Impacted Files	Coverage Δ
...fusion/components/functions/function_evaluation.py	92.85% <0%> (ø)	⬆️

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