Macro versioned::impl_from_for_versioned_with_proxy

macro_rules! impl_from_for_versioned_with_proxy {
    ($t:ty, $ti:ty, $t2:ty) => { ... };
}

Macro that implements From trait for 2-way conversion between the orignal type and the versioned target type, using the intermidate type that is convertible from and to both orignal and target types