start

Signed-off-by: boddmg <boddmg@gmail.com>
继续用python做实验

Signed-off-by: boddmg <boddmg@gmail.com>
create memory manager.

Signed-off-by: boddmg <boddmg@gmail.com>
Finish the vm demo.

Signed-off-by: boddmg <boddmg@gmail.com>
Finish the lexer.

Signed-off-by: boddmg <boddmg@gmail.com>
Lexer unittest pass, start to write parser.

Signed-off-by: boddmg <boddmg@gmail.com>
Merge branch 'master' of https://github.com/boddmg/sbevm