Fix linting issues

Find instruction was throwing the following error message on windows
machine "find: invalid predicate `-wholename'". To test on unix-like.

Removed unused vars in tests. Added conjure function global instruction
in objectInit and arrayInit.
Remove jshint global option

As suggested I added a declaration of the function as a var on top of
the lib
Merge pull request #42 from gvnn/hotfix/Issue#39

Fix linting issues