Implement public API which consists of configqsas, closeqsas, ctimeqsas, btimeqsas, and strfqsas.
Implement public API which consists of configqsas, closeqsas, ctimeqsas,
btimeqsas, and strfqsas.

svn path=/trunk/; revision=9543

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot