Including Neng-Fa's changes to the XSB loader, and created get_byte,get_code,get_char,put_byte,put_code,put_char based on the functions he included in token_xsb.c.
Integration of other builtins, such as atom codes, still remains to be done.
Authored by: tswift 2014-01-26
Parent: [r7877]
Child: [r7879]