Aim: Read a parameter list (strings only).
The routine declaration is:
subroutine readListParam(paramlist,list,numlist)
! paramlist : name of the string list parameter
! list : list of strings
! numlist : number of strings in list
character(len=*), intent(in) :: paramlist
character(len=*), dimension(:), intent(inout) :: list
integer, intent(in) :: numlist