If the user enters their info, they can save it

Added option after the user enters their information so they can save it to .xsend. They have the choice to save it with or without their password. If they do not save with their password, a blank line is created in place of it.

fixes #8
Merge pull request #9 from porglezomp/Save-Login-Infomation

If the user enters their info, they can save it