Move files from legacy folders.

This will make life easier!

rawobj can be obtained with read_header which will result
in the lack of a proper pointer. So we need to check for
if the pointer is not null.

There are two functions, ReadHeader and Read in the main API.

The one reads the size of an rawobj, the other additionaly the pointer
where it points to (most probably it will load stuff into memory).

Add Coding Style Guidlines!