Fix https://github.com/teawater/kgtp/issues/1
Add __exit and __init back.
Move module release code to function gtp_release_all_mod to fix section mismatch.
Thanks report from Tao Ma and Yanhai Zhu.
Merge branch 'uprobes' into uprobes-dev
Fix some bug around multi-inferior support.
Now, need find support of "?"'s response about introduce all the thread.