&1 - print a message about debugger level and notices when we IN/OUT it
  IN  DEBUGGER  >>>>>>>>>>>>>>>>>>>>>> s:0 t:0 i:0 c:2
  Level: i:1 c:2
  OUT DEBUGGER  <<<<<<<<<<<<<<<<<<<<<< s:0 t:0 i:1 c:2
&2 - print a message about subroutine we enter
	get_command <-- interact (lib/DB/Commands.pm:40) SUB s:0 t:0 i:0 c:2

&4 - print a message about who change DB::state
	Access from DB::new (lib/DB/Hooks.pm:231) to line(0) state: 13 -> 11

&8 - print a message about who access DB::state
	Access from DB::dbcall (lib/DB/Hooks.pm:132) to dd(0) state: undef
	Access from DB::new (lib/DB/Hooks.pm:231) to line(0) state: 13 -> 11

&16 - print a message about debugger instances

&32 - print a message about debugger subroutine call


PERLDB_OPTS='CTddd=63' PERL5DB="use DB::Hooks qw'::Terminal ddd=63'" perl -Ilib -d ~/tmp/t.pl
