Initial Core code
Started work on CMake build system
Build working
Made CMake output the products to their folder
Added tests
C API
Access to the memory from the C API
Removed the extra level of indirection by aligning vm and DCPU::Core
The opaque pointer is no longer needed for the C API
Added API
Moved memory down so the registers are in the lower addresses
Reduced vm_create
Merge pull request #1 from jdiez17/master

Setting things up