* init/job_class.h: Added debug member.
* init/job_class.c: Initialized debug member.
* init/job_process.c: Pause child using raise(3).
* init/main.c: Display PID+PPID for debug builds.
* init/parse_job.c: Added new function stanza_debug.
* init/tests/test_job_process.c (test_spawn): Added test for debug stanza.