Merge pull request #478 from slang800/v3

install phantomjs by default
remove path.sep call, require handles this already
Merge pull request #482 from declandewet/windowsfix

Fix "cannot find module '.new' " error on Windows
Merge pull request #479 from slang800/v3

check devDependancies for compilers too
basic operator corrections

`==` should be `is`, because coffee
`||` when used in short circuit eval should be `?` because that doesn't
ignore falsy values