fix isArrayLike

Before:

    > isArrayLike({length: 0})
    0

After:

    > isArrayLike({length: 0})
    true
Merge pull request #236 from davidchambers/array-like

fix isArrayLike
replace typeof check in isArrayLike
lint test files
normalize import paths
Merge pull request #241 from davidchambers/import

normalize import paths
Merge pull request #239 from davidchambers/lint

lint test files
Merge pull request #238 from davidchambers/array-like

replace typeof check in isArrayLike