Port to C++1x

[jesustorresdev]

Cleanup the code and do it more readable using some features from the new revision of C++:

• http://en.wikipedia.org/wiki/C%2B%2B0x

More details In Spanish:

• http://sysvar.net/2011/05/29/novedades-cplusplus0x-1/
• http://sysvar.net/2011/05/29/novedades-cplusplus0x-2/