Replace Collection<Object> to Collection<?> (wildcard).

[TimReset]

Otherwise List<?> will call JSONArray(Object array) but is not right.

Example:
List<?> list = new ArraysList();
JSONArray array = new JSONArray(list);

With old code this call JSONArray(Object array) and then throw exception ( throw new JSONException("JSONArray initial value should be a string or collection or array.");) But is not right! JSONArray(Collection collection) will be call! With wildcard that be work.

P.S. Sorry for my English.

[stleary]

Evaluating, will get back to you soon. No worries on the English. Thanks, Sean

[stleary]

Please see pull requests 111 and 112, which proposed a similar implementation.