started rewriting package to meet 3.0
added new files to 3.0-dev
tests, tests, tests
added some useful methods to Entity
added toTree method to the collections
added new methods to EntityInterface
removed paginate from interface and wrote tested destroy method
added generic save method and updated test of destroy method
subtree can now be destroyed without its ancestor
getRealAttributes now can retrieve only specified attributes
getRealAttributes now can retrieve only specified attributes
getRealAttributes now checks for parent key in attributes array
getRealAttributes now returns a string if only one attribute was requested
added test for string result and fixed mistake in if statement
added check for null
removed unnecessary classmap
fixed wrong siblings querying when depth is 0, changed arguments order in all moveTo methods, rewrote some tests, made proper siblings reordering and some other fixes
slightly changed models, now they update closure table attributes after inserting a node or before moving it somewhere
added makeClosureTable method for better extensibility and future scaffolding
started to develop generators and console commands