Changed not to ignore SIGPIPE.
Renamed the variables of the domain socket for readability.
Refactored to use a macro to define the syscalls.
Added a test for fork(2).
This is a library to contain payload in memory.

This is useful to compute payload size.
Added a target to install all of master/slave.

This target is useful in development.
Enhanced Makefile to write installed files to storage.
Implemented fork(2).
Simplified the mechanism for fork(2) in the slave.

All the shub must do is watching the fork_info list.
Simplified the mechanism for fork(2) in the master.