* Update record & replay features to trace reg/mem changes ##debug
* Support tracing in r_debug_continue_kill ##debug
* Fix error writing registers when stepping back and refactor ##debug
* Implement checkpoints for reverse debugging and make tests green ##debug
* Add `dbg.trace_continue` option to enable/disable tracing every instruction when continue
* Fix continue when tracing to allow skipping and continuing ##debug
* Add ptrace-wrap
* Add r_io_ptrace* and r_debug_ptrace()
* Use wrappers instead of calling ptrace and fork directly
* Sleep while waiting in linux_debug
* Add ptrace-wrap Makefile
* Link io against ptrace-wrap with acr
* Define ptrace usages in r_userconf.h
* Conditional ptrace-wrap in acr
* Fix HAVE_PTRACE
* Some fixes for Solaris
* Fixes for FreeBSD
* More fixes for Solaris
* Style Fix