nasty bug

TestDSK failed with just 'error' without throwing an exception
but it should have
because I called getInt() with a parameter that doesnt exist

gatb-core/src/gatb/kmer/impl/SortingCountAlgorithm.cpp

@@ -455,7 +455,7 @@ void SortingCountAlgorithm<span>::configure ()
                 _bank, 
                 storage->getGroup("minimizers"), 
                 _config,
-                getInput()->getInt(STR_NB_CORES)
+                props->get(STR_NB_CORES) ? getInput()->getInt(STR_NB_CORES) : 0;
                 );
         repart.execute ();
         setRepartitor (new Repartitor(storage->getGroup("minimizers")));