t473: Changed back to build_query, check if the params are not empty
t473: Changed back to build_query, check if the params are not empty

alexispeter/CM,njam/CM,tomaszdurka/CM,fauvel/CM,christopheschwyzer/CM,alexispeter/CM,zazabe/cm,mariansollmann/CM,njam/CM,alexispeter/CM,christopheschwyzer/CM,vogdb/cm,fauvel/CM,mariansollmann/CM,cargomedia/CM,vogdb/cm,njam/CM,alexispeter/CM,fvovan/CM,fvovan/CM,vogdb/cm,tomaszdurka/CM,tomaszdurka/CM,tomaszdurka/CM,fauvel/CM,cargomedia/CM,fvovan/CM,tomaszdurka/CM,mariansollmann/CM,njam/CM,zazabe/cm,fauvel/CM,zazabe/cm,vogdb/cm,vogdb/cm,mariansollmann/CM,christopheschwyzer/CM,fauvel/CM,cargomedia/CM,njam/CM,fvovan/CM,cargomedia/CM,christopheschwyzer/CM,zazabe/cm