Preparing for cluster

tools/run_on_cluster.sh

 #!/usr/bin/env bash
 
 # reading variables
-NODE=$($#>0? $1 : 00)
-CORES=$($#>1? $2 : 16)
+NODE="$($#>0? $1 : 00)"
+CORES="$($#>1? $2 : 16)"
 BRANCH="$(git rev-parse --abbrev-ref HEAD)"
 
 # Committing everything in git