v0.4 update: bug free with hello world!

1. bugfix: fix mspace pagesize 64bit point cut-off
2. executable binary file integrate with boot dex.

how to use this binary?

1. current version only support exec the integrated hello world dex
2. use chmod to give the binary executable permission
3. exec the binary with this arg: -cp hello.dex com.dexvm.test.Main

v0.3 milestone: hello world!

hello world now on macOS!
still need a lot of work for destroy mspace's cs->top.(64bit point cut off, crash on dvm shutdown.)

v0.2 lots of work. now interpreter partly work.

as title say. one big step

v0.1 can start empty vm & exit.

macos (arm64 only) executable binary.