Merge pull request #8 from jvtrigueros/fix-package-import

Adding the missing gargl package
test selector in gargl chrome extension recorder supports innerHTML and value fields of elements, depending on type of element. Fix for issue #2
Leveraging Java's os agnostic file separator.
Merge branch 'os-agnostic-paths' of github.com:jvtrigueros/gargl into os-agnostic-paths