# @markup rdoc
This is a primarily a bug-fix release, with some packaging changes.
Have removed the dependency on Hoe. The build is now vanilla gemspec based.
Included support for gem-testers.
Included support for Bundler.
Implemented the as_json method to support Rails’ JSON encoding, by pulling in the changes by Eric Cline (github.com/escline).
Partial fix for Github Bug #5. This is to prevent infinite looping is an existing node is added again elsewhere in the tree.
Fixed the issue with using integers as node names, and its interaction with the +TreeNode#[]+ access method Github Bug #6.
Clarified the need to have unique node names Github Bug #7 (documentation).
Fixed siblings method to return an empty array for the root node as well (it returned nil earlier).
Minor bug-fix release to address bug #1215 (Tree::TreeNode#to_s breaks if @content or @parent.name is not a string).
This is the public release of R0.8.0, with additional bug-fixes. Note that R0.8.0 will not be released separately as a publicly available Rubygem. All changes as listed for R0.8.0 are available in this release.
The main change in R0.8.0/R0.8.1 is conversion of all CamelCase method names to snake_case. The old CamelCase method names will still work (to ensure backwards compatibility), but will also display a warning.
The TreeNode#add method now accepts an optional child insertion point.
The subtree from the current node can now be cloned in its entirety using the `TreeNode#detached_subtree_copy’ method.
A major bug-fix for bug #28613 which impacted the Binarytree implementation. See rubyforge.org/tracker/index.php?func=detail&aid=28613&group_id=1215&atid=4793 for details.
Minor code re-factoring driven by the code-smell checks using reek.
Inclusion of the `reek’ code-smell detection tool in the Rakefile.
Updated the ‘add’ method to allow the optional specification of an insertion position in the child array.
Added a new method ‘detached_subtree_copy’ to allow cloning the entire tree (this method is also aliased as ‘dup’).
Converted all CamelCase method names to the canonical ruby_method_names (underscore separated). The CamelCase methods can still be invoked, but will throw a Deprecated warning. The support for old CamelCase methods will go away some time in the future, so the user is advised to convert all current method invocations to the new names.
Added new methods to report the degree statistics of a node.
Added a convenience method alias ‘level’ to ‘nodeDepth’.
Converted the exceptions thrown on invalid arguments to ‘ArgumentError’ instead of ‘RuntimeError’.
Converted the documentation to Yard format.
Added new methods for converting from/to JSON formats. Thanks to Dirk Breuer for this fork.
Added a separate API-CHANGES documentation file.
Added fixes for root related edge conditions to ‘isOnlyChild?’, ‘nextSibling’, ‘previousSibling’ and ‘remove’ methods.
Removed the ‘ChangeLog’ file as this can now be generated from the git logs.
Other minor code cleanup.
Updated the documentation.
Changed the hard-dependency on the ‘structured_warnings’ RubyGem to a soft-dependency - which lets Rubytree still work if this RubyGem is not available. The rationale for this is that we should not require the user to install a separate library just for one single edge-case function (in this case, to indicate a deprecated method). However, if the library is available on the user’s system, then it will get used.
Fixed the bug#22535 where the depth method was actually returning height+1 (not the depth).
Marked the Tree::TreeNode#depth method as deprecated (and introduced the run-time dependency on structured-warnings gem).
Cleanup of the build system to exclusively use Hoe.
Modifications and reformatting to the documentation.
No user visible changes.
Added more test cases and enabled ZenTest compatibility for the test case names.
Minor code refactoring.
Fixed the marshalling code to correctly handle non-string content.
Changes to the build mechanism (now uses Hoe).
Minor code refactoring. Changes in the Rakefile.
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