Adding sample for perl: folder person.
Fixing global variables bug.

Signed-off-by: Bryan de Holanda Fernandes <bryan.h.fernandes@hotmail.com>
Signed-off-by: Victor Cotrim <cotrim149@gmail.com>
Fixing Xref.t. Tests its working.
Merge remote-tracking branch 'group/tree' into tree

Conflicts:
	lib/Analizo/Extractor/Bxref/Xref.pm
	t/Analizo/Extractor/Xref.t
Move Xref.t to keep bxref structure
Merge pull request #15 from BryanFernandes/tree

Move Xref.t to keep bxref strutcture