Publish version 0.2.1.X (#18)

- fix pester test execution order in vscode test task.
- fix coveralls.io link in bagde.
- skip coverage report creation for PR triggered builds
- update docs
- Connection type SCP added for `Connect-To` and `Disconnect-From`.

## Internal Changes
- pester tests now don't need to dotsource other public functions from the same module (fixes #17 )
  - helper and private functions stilll needs to be dotsourced.
- basic module tests added
- pester tests for `Resolve-Dependency` added
- Wrapper function  `Get-ModuleBase` added. This enables mocking in tests.

.vscode/tasks.json

@@ -28,7 +28,7 @@
             "taskName": "Test",
             "suppressTaskName": true,
             "args": [
-                "Write-Host 'Invoking Pester...'; $ProgressPreference = 'SilentlyContinue'; Invoke-Pester -Script '.\\tests\\*' -EnableExit $flase -PesterOption @{IncludeVSCodeMarker=$true};",
+                "Write-Host 'Invoking Pester...'; $ProgressPreference = 'SilentlyContinue'; Invoke-Pester -Script ( Get-ChildItem -Path '.\\tests\\*.Tests.ps1' -Recurse | Sort-Object -Property Name ) -EnableExit $flase -PesterOption @{IncludeVSCodeMarker=$true};",
                 "Invoke-Command { Write-Host 'Completed Test task in task runner.' }"
             ],
             "problemMatcher": "$pester",