The print in decimal format is not good to validate the packed structure of integers. The hex format is better because it enable us to validate the methods
by looking at the position of the packed values
* Cleanup in main.cpp
* Refactor in bmath.h
* Refactor in avx2.hpp avx2.cpp
* Added types.hpp to abstract architecture datatypes
* Refactored utils.hpp
* Refactored sse.cpp
* Added some utility methods for integer, long packed values
* Convert print into a generic method with use of templates
