Fixes two issues and implements a few logging improvements

[ykuijs]

Pull Request (PR) description

Fixes two issues and implements a few logging improvements

This Pull Request (PR) fixes the following issues

• Fixes #1340
• Fixes #1398

Task list

• [x] Added an entry to the change log under the Unreleased section of the file CHANGELOG.md. Entry should say what was changed and how that affects users (if applicable), and reference the issue being resolved (if applicable).
• [x] Resource documentation added/updated in README.md.
• [x] Resource parameter descriptions added/updated in README.md, schema.mof and comment-based help.
• [x] Comment-based help added/updated.
• [x] Localization strings added/updated in all localization files as appropriate.
• [x] Examples appropriately added/updated.
• [x] Unit tests added/updated. See DSC Community Testing Guidelines.
• [x] Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• [x] New/changed code adheres to DSC Community Style Guidelines.

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This change is 

[codecov[bot]]

Codecov Report

Merging #1402 (059ca7e) into master (1ee98a0) will increase coverage by 0%. The diff coverage is 80%.

@@          Coverage Diff           @@
##           master   #1402   +/-   ##
======================================
  Coverage      84%     84%           
======================================
  Files         143     143           
  Lines       22285   22343   +58     
======================================
+ Hits        18817   18877   +60     
+ Misses       3468    3466    -2     

Impacted Files	Coverage Δ
...sources/MSFT_SPShellAdmins/MSFT_SPShellAdmins.psm1	64% <65%> (-1%)	:arrow_down:
...FT_SPSearchServiceApp/MSFT_SPSearchServiceApp.psm1	94% <88%> (-1%)	:arrow_down:
...MSFT_SPFarmPropertyBag/MSFT_SPFarmPropertyBag.psm1	88% <91%> (+6%)	:arrow_up:
...sc/DSCResources/MSFT_SPInstall/MSFT_SPInstall.psm1	90% <100%> (+6%)	:arrow_up:
...s/MSFT_SPInstallPrereqs/MSFT_SPInstallPrereqs.psm1	88% <0%> (-1%)	:arrow_down: