Reinmar/Orient — comment on commit 6110c61778cd7592f4c1e4f5530ea84e79c0f9cd
File:  line 0
By Reinmar:

Example:
https://github.com/zpi2011asvis/asvis/blob/master/backend/lib/OrientEngine.php#L111

We want to traverse through all fields except of those two.

Documentation: http://code.google.com/p/orient/wiki/FetchingStrategies
"To express multiple rules separate them by spaces."