add isSessionStarted to check to see if session is started.
(works well with PHPUnit as well).
new functional test for Dispatch and all.
add mock controller.
test onExecute method is executed.
test on argument.
test on non-existence method.
do not have to use $_REQUEST; just copy the request data.
test savePost and loadPost to pass data to next request.
add phpunit.xml to run all tests.
maybe set default toPass.