Log Message:
set NO_CHECKSUM=YES due to nature of this pkg,
changed PERL5_REQD to 5.6.1 as even this version is known to work,
added SPAMASSASSIN_USE_PYZOR switch to enable dependancy on Pyzor (wip!),
reverted changes to SPAMASSASSIN_NET_TESTS switch, stupid me,
reverted to MESSAGE from base,
updated TODO file;
many thanks to heinz@NetBSD.org for review and comments.