use rm_rf to delete dir and shutdown pipeline after run

avoid the use of rescue nil, bad practice

do not mock close as it prevents closing the file an prevents removing it on Windows

cleanup temporary files and relax file name check for Windows

fix paths handling for Windows

flag the read file string as UTF-8 which is what we expect

fix Windows issues

ignore load_average on windows

windows safe URI

cleanup and fix file handling for windows

wait for pipeline shutdown to complete

revert to original puts

cleanups

use environment for windows platform check

fix hash path

wait for pipeline thread to complete after shutdown