Applies the substitution of local and formal variables to the  copy of variables
in recursive calls.

Instead of the deprecated parameter -eva-ignore-recursive-calls.

Instead of the deprecated parameter -eva-ignore-recursive-calls.

- Removes the [recursion] boolean field from [call] type.
- Functions in [compute_function] takes a [recursion option] in argument.

This function substitutes variables in pointer values.

Deprecates -eva-ignore-recursive-call.

Through a new argument [recursion].

- warns only on fundamental types reads

- RTE is stricter than C for unsigned chars
- RTE does not warn on initialization for structs/union

- `tapp_to_exp` is moved to `Logic_functions`, with the existing
`Logic_function.tapp_to_exp` renamed to `function_to_exp` and moved as
an internal function;
- `name_of_mpz_arith_bop` is moved to `Gmp`;
- `add_cast` and `strnum` are moved to a new `Typed_number` module.