PowerShell: rewrite casperjs from python to powershell

casperjs.ps1

$PHANTOMJS_NATIVE_ARGS =
    'cookies-file',
    'config',
    'disk-cache',
    'ignore-ssl-errors',
    'load-images',
    'load-plugins',
    'local-to-remote-url-access',
    'max-disk-cache-size',
    'output-encoding',
    'remote-debugger-port',
    'remote-debugger-autorun',
    'proxy',
    'proxy-auth',
    'proxy-type',
    'script-encoding',
    'web-security'

$CASPER_ARGS = @()
$PHANTOMJS_ARGS = @()

foreach ($arg in $args)
{
    [bool] $found = 0
    foreach ($native in $PHANTOMJS_NATIVE_ARGS)
	{
        if ($arg.StartsWith("--$native"))
		{
            $PHANTOMJS_ARGS += $arg
            $found = 1
		}
	}
    if (!$found)
	{
        $CASPER_ARGS += $arg
	}
}

$CASPER_PATH = Split-Path -Parent (Split-Path -Parent $MyInvocation.MyCommand.Definition)
$CASPER_COMMAND_ARGS = $PHANTOMJS_ARGS + @("""$CASPER_PATH\bin\bootstrap.js""", "--casper-path=""$CASPER_PATH""", "--cli") + $CASPER_ARGS

$phantomjs = (Get-Command phantomjs).Definition
& $phantomjs $CASPER_COMMAND_ARGS