Fix Dump_Series on signular series
Fix Dump_Series on signular series

SER_TOTAL and SER_BIAS are not allowed to be called on signular
serieses.

draegtun/ren-c,draegtun/ren-c,draegtun/ren-c,rgchris/ren-c,hostilefork/rebol,draegtun/ren-c,codebybrett/ren-c,rgchris/ren-c,giuliolunati/ren-c,kealist/ren-c,kealist/ren-c,codebybrett/ren-c,giuliolunati/ren-c,codebybrett/ren-c,rgchris/ren-c,codebybrett/ren-c,giuliolunati/ren-c,draegtun/ren-c,hostilefork/rebol,rgchris/ren-c,kealist/ren-c,codebybrett/ren-c,giuliolunati/ren-c,giuliolunati/ren-c,hostilefork/rebol,hostilefork/rebol,hostilefork/rebol,hostilefork/rebol,kealist/ren-c,draegtun/ren-c,kealist/ren-c,rgchris/ren-c,codebybrett/ren-c,kealist/ren-c