Added some validation for the Customer mode. Changed Auth to return the value of $UserData{UserType} instead of 'Agent' or 'Customer' when retrieving the data from the SessionID.
Added some validation for the Customer mode.
Changed Auth to return the value of $UserData{UserType} instead of 'Agent' or 'Customer' when retrieving the data from the SessionID.

djoudi/otrs-gitimport-test,djoudi/otrs-gitimport-test,djoudi/otrs-gitimport-test