- Many docstring updates.
- Added CIDR node. Automatically set match_candidates=True if candidates is
overridden.
- Add label support via the label=... attribute.
- Converted interactive "exceptions" argument to a callback.
- Added Absolute Time?, Relative Time? and Timezone node types.
- Added Key Value? node type (k=v).
- Removed defined() and added any() and all() to XML context locals.
- Re-added Group() node. This has one purpose: to set the group for all
children.
- Removed Apply().
- "group" attribute is now a property that will use the parent group if not
explicitly set.
- Delegate XML attribute casting and aliasing to Nodes.
- Update COPYING dates.
- Cleaned up some todos, removed some tabs.
- Renamed "Conditional" to "If", re-added "Apply" implemented on "Masquerade".
- Add support for labels to Node.find().
