Properly escape and unescape the user name in the session identifier
Properly escape and unescape the user name in the session identifier

sstraus/MailKit,mganss/MailKit,matt2003/MailKit,jstedfast/MailKit,jamie-dainton/MailKit,nachocove/MailKit,eino-makitalo/MailKit,dsbenghe/MailKit