STAPI emits debugging lines to stdout

[David McNett]

STAPI leaks debugging lines to stdout during normal operation:

2009-11-30 11:42:54 CST 54502 Reading c_tablename0 from stapi/c_tablename.tsv
2009-11-30 11:42:54 CST 54502 Writing c_tablename0 to stapi/c_tablename.tsv

[Peter da Silva]

Changed ::stapi::debugging to default to 0