Doesn't search recursively to top

[59naga]

tree ../ -L2
#.
#├── src
#│   ├── index.es6 < here
#│   └── svg.es6
#...

# abigail test
# +  81 ms @ @ Missing ./package.json
#              ^^^^^^

https://github.com/59naga/abigail/blob/master/src/index.coffee#L20

[59naga]

this issue has been resolved in version@1.