lhs of an assignment is in object context (no decays)
Updated TODO_INIT
Makefile deps update
Fixed memcpy bug from c388c8763c3f945643ed775a796df8ffb4277298
Fixed structure packing + tests

struct offsets were being calculated based on nested structs
also there was confusion between offsets and sizes
Fixed C99 for init vpop() crash
Always fold sue:s - this fixes enum folding
Fixed if-reachability checking

if is passable if it hasn't an else-case
Added X-Macros TODO
__attribute__((sentinel( [0-9] ))) checking