Add command support

[natalie-o-perret]

Would be nice to have a command support rather than say just the a script file, it might involve some trickeries though to make it really smooth to use without using the string block + extension strings (to avoid closure issues).

[zippy1981]

I think this would be cool, and I'm very excited to find someone interested in my project.

Is what your envisioning:

poshrunner -e "Write-Host 'Hello World'"

I don't see why I can't just pass whatever the value of -e is as a script to powershell and then you can just include semicolons or whatever. Can you provide an example of something that you thing would require a string block plus extension strings?

Give me an example of a complex