[Eva] Comments the interpretation of recursive calls.

src/kernel_services/abstract_interp/base.mli

src/kernel_services/abstract_interp/lmap_sig.mli

src/libraries/utils/hptset.mli

src/plugins/value/domains/abstract_domain.mli

src/plugins/value/domains/simple_memory.ml

src/plugins/value/engine/compute_functions.ml

src/plugins/value/engine/recursion.ml

src/plugins/value/engine/recursion.mli

src/plugins/value/engine/transfer_stmt.ml

src/plugins/value/eval.mli

src/plugins/value/values/abstract_location.mli

src/plugins/value/values/abstract_value.mli