Close #271.
Improve unit test about script\argument\parser::__toString().
Arguments parser update its values with closest arguments.
Revert "Arguments parser update its values with closest arguments."

This reverts commit 3f9abe11c6daefcd022550d7cc38d77d6f807e1e.
Improve argument management to handle correctly default handler and fuzzy logic.
Merge pull request #273 from mageekguy/#271

Close #271.