diff --git a/ocaml/qptypes_generator.ml b/ocaml/qptypes_generator.ml
index fd1739f1..be2bf18c 100644
--- a/ocaml/qptypes_generator.ml
+++ b/ocaml/qptypes_generator.ml
@@ -150,12 +150,12 @@ end = struct
 
   let to_string = function
   | Huckel -> \"Huckel\"
-  | HCore  -> \"Hcore\"
+  | HCore  -> \"HCore\"
 
   let of_string  s = 
-    match s with
-    | \"Huckel\" -> Huckel
-    | \"Hcore\"  -> HCore
+    match (String.lowercase s) with
+    | \"huckel\" -> Huckel
+    | \"hcore\"  -> HCore
     | _ -> failwith (\"Wrong Guess type : \"^s)
 
 end
@@ -176,10 +176,10 @@ end = struct
   | Write  -> \"Write\"
   | None   -> \"None\"
   let of_string  s = 
-    match s with
-    | \"Read\"  -> Read
-    | \"Write\" -> Write
-    | \"None\"  -> None
+    match (String.lowercase s) with
+    | \"read\"  -> Read
+    | \"write\" -> Write
+    | \"none\"  -> None
     | _ -> failwith (\"Wrong IO type : \"^s)
 
 end
diff --git a/scripts/compilation/qp_create_ninja.py b/scripts/compilation/qp_create_ninja.py
index f78e20e8..242a2b63 100755
--- a/scripts/compilation/qp_create_ninja.py
+++ b/scripts/compilation/qp_create_ninja.py
@@ -127,7 +127,7 @@ def dict_module_genelogy_path(d_module_genelogy):
 
 def get_l_module_with_ezfio_cfg():
     """
-    Return all the module who have a EZFIO.cfg
+    Return all the modules that have a EZFIO.cfg
     """
     from os import listdir
     from os.path import isfile
@@ -734,7 +734,7 @@ def create_build_ninja_module(path_module):
 
     l_string += ["rule make_all_binaries",
                  "  command = ninja -f {0}".format(ROOT_BUILD_NINJA),
-                 "  pool = console", "  description = Compile all the module",
+                 "  pool = console", "  description = Compiling all modules",
                  ""]
 
     l_string += ["rule make_clean", "  command = module_handler.py clean {0}".format(path_module.rel),
@@ -761,7 +761,7 @@ def create_build_ninja_global(l_module):
 
     l_string += ["rule make_all_binaries",
                  "  command = ninja -f {0}".format(ROOT_BUILD_NINJA),
-                 "  pool = console", "  description = Compile all the module",
+                 "  pool = console", "  description = Compiling all modules",
                  ""]
 
     l_string += ["rule make_clean",
diff --git a/scripts/pseudo/put_pseudo_in_ezfio.py b/scripts/pseudo/put_pseudo_in_ezfio.py
index ff63a18d..f44fb097 100755
--- a/scripts/pseudo/put_pseudo_in_ezfio.py
+++ b/scripts/pseudo/put_pseudo_in_ezfio.py
@@ -30,7 +30,7 @@ p = re.compile(ur'\|(\d+)><\d+\|')
 
 def get_pseudo_str(l_atom):
     """
-    Run EMSL_local for geting the str of the speudo potential
+    Run EMSL_local for getting the str of the pseudo potential
 
     str_ele :
         Element Symbol: Na
diff --git a/src/Determinants/spindeterminants.irp.f b/src/Determinants/spindeterminants.irp.f
index 09a92df6..ad9d9960 100644
--- a/src/Determinants/spindeterminants.irp.f
+++ b/src/Determinants/spindeterminants.irp.f
@@ -14,12 +14,13 @@ integer*8 function spin_det_search_key(det,Nint)
   END_DOC
   integer, intent(in) :: Nint
   integer(bit_kind), intent(in) :: det(Nint)
+  integer(bit_kind), parameter :: unsigned_shift = not(huge(1_bit_kind)) ! 100...00
   integer :: i
   spin_det_search_key = det(1)
   do i=2,Nint
     spin_det_search_key = ieor(spin_det_search_key,det(i))
   enddo
-  spin_det_search_key = iand(huge(det(1)),spin_det_search_key)
+  spin_det_search_key = spin_det_search_key-unsigned_shift
 end
 
 
@@ -347,53 +348,6 @@ subroutine write_spindeterminants
   call ezfio_set_spindeterminants_psi_coef_matrix_rows(psi_svd_matrix_rows)
   call ezfio_set_spindeterminants_psi_coef_matrix_columns(psi_svd_matrix_columns)
   
-!  integer                        :: n_svd_coefs
-!  double precision               :: norm, f
-!  f = 1.d0/dble(N_states)
-!  norm = 1.d0
-!  do n_svd_coefs=1,N_det_alpha_unique
-!    do k=1,N_states
-!      norm -= psi_svd_coefs(n_svd_coefs,k)*psi_svd_coefs(n_svd_coefs,k)
-!    enddo
-!    if (norm < 1.d-4) then
-!      exit
-!    endif
-!  enddo
-!  n_svd_coefs -= 1
-!  call ezfio_set_spindeterminants_n_svd_coefs(n_svd_coefs)
-!  
-!  double precision, allocatable  :: dtmp(:,:,:)
-!  allocate(dtmp(N_det_alpha_unique,n_svd_coefs,N_states))
-!  do k=1,N_states
-!    do j=1,n_svd_coefs
-!      do i=1,N_det_alpha_unique
-!        dtmp(i,j,k) = psi_svd_alpha(i,j,k)
-!      enddo
-!    enddo
-!  enddo
-!  call ezfio_set_spindeterminants_psi_svd_alpha(dtmp)
-!  deallocate(dtmp)
-!
-!  allocate(dtmp(N_det_beta_unique,n_svd_coefs,N_states))
-!  do k=1,N_states
-!    do j=1,n_svd_coefs
-!      do i=1,N_det_beta_unique
-!        dtmp(i,j,k) = psi_svd_beta(i,j,k)
-!      enddo
-!    enddo
-!  enddo
-!  call ezfio_set_spindeterminants_psi_svd_beta(dtmp)
-!  deallocate(dtmp)
-!
-!  allocate(dtmp(n_svd_coefs,N_states,1))
-!  do k=1,N_states
-!    do j=1,n_svd_coefs
-!        dtmp(j,k,1) = psi_svd_coefs(j,k)
-!    enddo
-!  enddo
-!  call ezfio_set_spindeterminants_psi_svd_coefs(dtmp)
-!  deallocate(dtmp)
-
 end
 
 
@@ -420,28 +374,6 @@ BEGIN_PROVIDER  [ double precision, psi_svd_matrix_values, (N_det,N_states) ]
 
   PROVIDE psi_coef_sorted_bit
 
-!  l=0
-!  do j=1,N_det_beta_unique
-!    do k=1,N_int
-!      tmp_det(k,2) = psi_det_beta_unique(k,j)
-!    enddo
-!    do i=1,N_det_alpha_unique
-!      do k=1,N_int
-!        tmp_det(k,1) = psi_det_alpha_unique(k,i)
-!      enddo
-!      idx = get_index_in_psi_det_sorted_bit(tmp_det,N_int)
-!      if (idx > 0) then
-!        l += 1
-!        psi_svd_matrix_rows(l) = i
-!        psi_svd_matrix_columns(l) = j
-!        do k=1,N_states
-!          psi_svd_matrix_values(l,k) = psi_coef_sorted_bit(idx,k)
-!        enddo
-!      endif
-!    enddo
-!  enddo
-!  ASSERT (l == N_det)
-
   integer, allocatable :: iorder(:), to_sort(:)
   integer, external :: get_index_in_psi_det_alpha_unique
   integer, external :: get_index_in_psi_det_beta_unique