Selecttag should have -Form

[RobertCGouge]

Subject of the issue

When using a select tag in a form, you have to attach the select to a form using form=formname. currently this has to be done via the -Attributes parameter

Steps to reproduce

create a selecttag

Expected behaviour

selecttag should have a -form parameter

Actual behaviour

-form is not a prameter

selecttag -Id "id" -Attributes @{
      "form" = "formName" 
      "name" = "id"
    }

[Stephanevg]

Thanks for opening this issue @RobertCGouge

[Stephanevg]

Ok, this one has been added: here is the commit where I updated the tests
0716790

This one will be part of the v0.8.0 release.