Create new test feature/405-aryref.t

* Test fails correctly, since aryref is not supported.
* Now implement feature.

Signed-off-by: Xiong Changnian <xiong-cpan@xuefang.com>
mesg-aryref subtest passes.

* However, mesg-hashref subtest passes also, which is unreasonable.
* Must edit test.

Signed-off-by: Xiong Changnian <xiong-cpan@xuefang.com>
Caught a small POD bug.

Signed-off-by: Xiong Changnian <xiong-cpan@xuefang.com>
Disable overweening hashref subtest.

* Retain hashref code, though; which is questionable.

Signed-off-by: Xiong Changnian <xiong-cpan@xuefang.com>
Disable insane hashref expansion.

* Update POD.
* New test for POD.
* All tests pass.

Signed-off-by: Xiong Changnian <xiong-cpan@xuefang.com>
Update Cookbook.

* Test the section too trivial to test.
* Various POD fixes.

Signed-off-by: Xiong Changnian <xiong-cpan@xuefang.com>
Merge branch 'feature-aryref' into devel

Signed-off-by: Xiong Changnian <xiong-cpan@xuefang.com>