Need to fail when ini file isn't valid

[calewis]

The following ini file will run just fine, but env will be empty

include debug.ini

node {
 app1 {
  launch_cmd = aprun -n 1 -N 1
  argv=
  exe = ./a.out
  env = {
    OMP_NUM_THREADS=48
  }
 }
 os {
  stack_size = 1MB
 }
}

There is an = after env that shouldn't be there, but no warnings or errors are given, it just silently fails to parse the variable.