set response http code on exception->code
reimplement search() method from php-unit-tests branch, testing exception code rather than message string
Merge branch 'search-method' of github.com:APMG/phpsdk into search-method
set error code in constructor since newer versions of PHP make $code attribute protected; fix rel namespace per recent API change
Merge pull request #8 from APMG/search-method

Adding search convenience method; adding $response['code'] to exception on non-200 responses.
Server will no longer generate guids for you
Merge pull request #11 from publicmediaplatform/remove-guids-link

Remove guids endpoint
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into mprstory

Conflicts:
	lib/Pmp/Sdk/CollectionDocJson.php