Fix hashtable format - Fixes #219

[PlagueHO]

Pull Request (PR) description

Correct Hashtable Style.

This Pull Request (PR) fixes the following issues

• Fixes #219

Task list

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

@johlju - would you mind reviewing for me?

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This change is 

[codecov-io]

Codecov Report

Merging #220 into dev will decrease coverage by <1%. The diff coverage is 81%.

@@        Coverage Diff         @@
##           dev   #220   +/-   ##
==================================
- Coverage   95%    95%   -1%     
==================================
  Files        7      7           
  Lines      980    985    +5     
==================================
+ Hits       939    943    +4     
- Misses      41     42    +1