refactor -> DatabaseQueryPrinter, add display of oracle ARRAY
add DiffAnalyticsSearchServicePerfMockedContrastTrader for performance testing in acceptance DB
use oracle array for contrasts - improves performance from 8 secs down to 1.88 secs for geneQueryKeywordProteinCodingAndConditionHomoSapiens
use unique contrasts - saves up to 0.5 sec