build and test

Double imports and n option. #24

Annotations

9 errors

"my" variable $blah masks earlier declaration in same scope

"my" variable $x masks earlier declaration in same scope

"our" variable $x masks earlier declaration in same scope

"my" variable $h masks earlier declaration in same scope

"my" variable $foo masks earlier declaration in same scope

readdir() attempted on invalid dirhandle $dir_fh

closedir() attempted on invalid dirhandle $dir_fh

readdir() attempted on invalid dirhandle $dir_fh

closedir() attempted on invalid dirhandle $dir_fh