2.86

fixed: another little diskimage related crash
fixed: rebuilder forgets to remove some empty subfolders
fixed: a rebuilder crash/datfile import issue for some biossets
fixed: rare wrong/empty tree entry while doing set casefixes

misc:  automatic fastscan after drag&drop is now optional
misc:  don't skip a possible equally named 2nd archive if 1st
       has unfixable corrupt zipstructure

added: logfile-/fastscan removebuttons
added: warning if you use rompaths which match setnames
added: more rebuilder options and pathvalues are accessable
       via scan results popupmenu
added: year tags will be read, dir2dat can match/create and
       setinfo shows them
