PSP Integration Candidate: Caelum-rc4+dev23

[dzbaker]

Describe the contribution
PR #361

• Fix Use a changelog to keep track of changes instead of having them in the Readme  #183, Create Changelog File

PR #358

• Fix Scrub use of () in return statements #357, Remove unnecessary parentheses around return values.

PR #360

• Fix Remove "return;" from last line of void functions #359, Remove 'return;' from last line of void function.

Testing performed

PSP checks https://github.com/nasa/PSP/pull/TBD/checks
cFS Bundle checks https://github.com/nasa/cFS/pull/TBD/checks

Expected behavior changes
See PRs

System(s) tested on
Ubuntu

Contributor Info - All information REQUIRED for consideration of pull request
@thnkslprpt
@ArielSAdamsNASA