build and test

Double imports and n option. #24

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10 errors

Use of uninitialized value $minor in numeric ge (>=)

Use of uninitialized value $featureversion in numeric ge (>=)

"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