feat(format): default format is now to have related resource in condensed form (only ids)
feat(expend): added flag in withRelated objects to chose wether to expend resources
feat(expand): added parser for expand query param
feat(middleware): formatter middleware set flag on related resource to return expanded
fixed expad orthograph
feat(expand): expand can take multiple resources
feat(url): returned url are decoded
test(expand): test expand multiple resources
always generate link template, even for expanded resources
Merge pull request #8 from lemonde/expand

feat(expand): ajout du param expand dans la query pour expand les resource liés