Using URL::query instead of http_build_query.
Merge remote-tracking branch 'origin/3.2/develop' into 3.2/master

Conflicts:
	classes/kohana/request/paypal.php

Signed-off-by: Guillaume Poirier-Morency <guillaumepoiriermorency@gmail.com>
Added a function to extract items from a gettransactiondetails response.

Signed-off-by: Guillaume Poirier-Morency <guillaumepoiriermorency@gmail.com>