AWG - fix reading heavy elements

Support reading as many elements as are defined in
quick_constants_module. These are 92 elements. We do
not have ECPs so there are not really any basis sets
that we can use beyond Kr. However, at least be
consistent for the future.

src/modules/quick_molspec_module.f90

@@ -343,7 +343,7 @@ subroutine read_quick_molspec(self,input,isTemplate, hasKeywd, apiKeywd,ierr)
        call rdword(keywd,i,j)
        if (is_blank(keywd,1,80)) exit
 
-       do k=0,71
+       do k=0,92
           if (keywd(i:j) == symbol(k)) then
              natom=natom+1
              ! check if atom type has been shown before