Input options for second derivatives program

So far the input options are (words between square brackets should be optional):

SD
   CALC    { HESSIAN GRADIENT DIPOLE ALL }
   PRINT   { EIGS U1 PARTS }
   MAX_CPKS_ITERATIONS  N
   CHECK_CPKS_FROM_ITERATION  N
   U1_ACCURACY  CRIT
   SAVE_FINAL_U1_TO_FILE
   IO_U1_TO_FILE
   DEBUG  { FIT HESSIAN DENSITIES NUMBERS SYMMETRY ALL }
END