The Bat! 4.1.1.8 RC1 (BETA)

What's new in 4.1.1.8 since 4.1.1.7:
[-] Import from Unix mailboxes didn't work in the recent betas (BETA issue)
[-] Import from Unix mailboxes did produce TMP files in the %TEMP% folder
[-] The Bat! didn't start on Windows NT 4 (Beta issue)