fixes #214, returning nested debug-information
Merge commit '0939d724ea4272d8d64cbf79035ec3d2021997ed' into develop for PR #217

Conflicts:
	library/Solarium/QueryType/Select/Result/Debug/Detail.php
	tests/Solarium/Tests/QueryType/Select/Result/Debug/DetailTest.php
Merge branch 'develop' of github.com:basdenooijer/solarium into develop