Release Name: 0.5.1

Notes:
Minor internal optimization of code and documentation. No user-visible changes.


Changes:
2007-12-19  Anupam Sengupta  <anupamsg@gmail.com>

	* README (Module): Modified the install instructions from source.

	* lib/tree.rb (Tree::TreeNode::initialize): Removed the
	unnecessary self_initialize method.
	(Tree::TreeNode): Removed the spurious self_initialize from the
	protected list.
	(Module): Updated the minor version number.

	* Rakefile: Fixed a problem with reading the Tree::VERSION for the
	gem packaging, if any prior version of the gem is already installed.