adding nologo to speed things up a hair
refactor tests to conform to Pester v2 assertions
closes #262 The VSIX install helper is finding the wrong Visual Studio version
when installing a windows feature, check if it is already installed. If so, do nothing and tell user it is already installed
add rudimentary functionality to mimic whatprovides on yum

currently only works for zip files
additional functionality will be added for msi later
relies on *.txt files in lib as source