Fixes issue where the OOS PS module could not be found

[ykuijs]

Pull Request (PR) description

This PR fixes the issue where the OOS PowerShell cmdlets could not be found until you restarted PowerShell, by pushing the config once more. The PR makes sure any new Windows environment variables are loaded into the PSModulePath variable.

This Pull Request (PR) fixes the following issues

• Fixes #15

Task list

• [X] Added an entry under the Unreleased section in the CHANGELOG.md. Entry should say what was changed, and how that affects users (if applicable).
• [X] Resource documentation added/updated in README.md.
• [X] Resource parameter descriptions added/updated in 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 Resource Testing Guidelines.
• [X] Integration tests added/updated (where possible). See DSC Resource Testing Guidelines.
• [X] New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

---

This change is 

[codecov-io]

Codecov Report

Merging #43 into dev will increase coverage by <1%. The diff coverage is 100%.

@@        Coverage Diff         @@
##           dev   #43    +/-   ##
==================================
+ Coverage   92%   92%   +<1%     
==================================
  Files        4     4            
  Lines      263   273    +10     
==================================
+ Hits       242   252    +10     
  Misses      21    21

[ykuijs]

@NikCharlebois It is all yours :-)