Merge remote-tracking branch 'lucas/strings-fix'

diff --cc lib/standard/string.nit
index d1c4b7c,e707454..dc00916
--- 1/lib/standard/string.nit
--- 2/lib/standard/string.nit
+++ b/lib/standard/string.nit
@@@ -418,15 -496,16 +496,11 @@@ class Strin
                                return false
                        end
  
-                       currIdSelf += 1
-                       currIdOther += 1
+                       curr_id_self += 1
+                       curr_id_other += 1
                end
  
-               if self._length < s._length then
-                       return true
-               else
-                       return false
-               end
 -              if my_length != its_length then
 -                      if my_length < its_length then return true
 -                      return false
 -              end
 -
 -              return false
++              return my_length < its_length
        end
  
        # The concatenation of `self' with `r'