--no commit message

--no commit message

joesimms: added draft documentation for hierarchical data support, and docs on how to use the tree interface, in particular the NestedSet implementation

--no commit message

--no commit message

--no commit message

--no commit message

--no commit message

--no commit message

--no commit message

--no commit message

Fixed sqlite connection function binding issue when using Doctrine_Db as well as added proper primary key handling for export methods

joesimms: added support for many roots for one table, added another example illustrating this, see EXAMPLE2.tree.php, also changed toString to __toString in getPath()

--no commit message

--no commit message

--no commit message