Fixed an issue that apparently I thought I fixed before where I am looking at the wrong part of the Content-Disposition for the "attachment" keyword.
Fixed an issue that apparently I thought I fixed before where I am looking at the wrong part of the Content-Disposition for the "attachment" keyword.

adampresley/mailslurper-go,adampresley/mailslurper-go,adampresley/mailslurper-go,adampresley/mailslurper-go