have Observer_Typing create an empty array on unserialize of an empty column
Fix bug in \Orm\Model_Nestedset::save() where 'id' was a hard-coded primary-key

Signed-off-by: Philipp Tempel <phtempel@gmail.com>
Fix bug where delete_tree only deletes first-level children

Signed-off-by: Philipp Tempel <phtempel@gmail.com>
fetch relations, even if the object is frozen. fixed cascading deletes
have get_one() default to rows_limit on queries with related objects
added option to path() to exclude the root node
reverted 80c01a6ed9575bc3b0b6bd70a62b1ba844368fc7, too many side-effects
Merge pull request #273 from philipptempel/1.7/develop

Fix Nestedset::save() and delete_tree()
added the node path to the tree objects returned
fixed incorrect node path generation
Merge pull request #1 from fuel/1.7/develop

1.7/develop