Erlang Rebar continuous test runner

eunitrunner

$app = "C:\Users\rrusu\Documents\GitHub\Er101"
$watcher = New-Object System.IO.FileSystemWatcher
$watcher.Path = "$app\src\"
$watcher.IncludeSubdirectories = $true
$watcher.EnableRaisingEvents = $false
$watcher.NotifyFilter = [System.IO.NotifyFilters]::LastWrite -bor [System.IO.NotifyFilters]::FileName

set-location $app

while($TRUE){
	$result = $watcher.WaitForChanged([System.IO.WatcherChangeTypes]::Changed -bor [System.IO.WatcherChangeTypes]::Renamed -bOr [System.IO.WatcherChangeTypes]::Created, 300);
	if($result.TimedOut){
		continue;
	}
	write-host "Change in " + $result.Name
	rebar compile eunit
}