1.4.0

Changed Moxio.PHP.ImplicitLooseComparisonSniff to also apply to array_keys. When called with two or more parameters, array_keys essentially behaves like a multi-valued array_search. For that variant, we now also disallow implicit loose comparisons, like we also already do for array_search. Calls to array_keys with just a single parameter (i.e. without $search_value) are unaffected.