Add uriComponent() and uriComponentToString() functions

[Gijsreyn]

PR Summary

This pull request adds the uriComponent() and uriComponentToString() functions, along with their reference documentation.

PR Context

Partially addresses #57.

[Gijsreyn]

Not sure what totally went wrong here, but the older build failed, while the new one succeeded at first.

[SteveL-MSFT]

@Gijsreyn if the purpose of commenting out tests is to run the tests faster, you can always run specific tests directly in VSCode or use Invoke-Pester which has a filter parameter to limit which tests in a file gets run.

[Gijsreyn]

@SteveL-MSFT - I might have known only the method on -TagFilter. What I know mostly do is comment out the launch.json, comment out the test, and put a breakpoint. I'll take a look at your suggestion next time.

[SteveL-MSFT]

@SteveL-MSFT - I might have known only the method on -TagFilter. What I know mostly do is comment out the launch.json, comment out the test, and put a breakpoint. I'll take a look at your suggestion next time.

Here's an example:

invoke-pester -Output Detailed ./dsc/tests/dsc_expressions.tests.ps1 -FullNameFilter '*Accessors work*'