branch for version 1.2.2 features
more strict unit testing
minor refactoring, comments
Using Node as visitor data type simplifies a lot :)
intermediate commit
intermediate checkin
Merge branch 'master' into dev1.2.2

Conflicts:
	src/main/java/org/xmlbeam/ProjectionInvocationHandler.java
	src/main/java/org/xmlbeam/util/intern/DOMHelper.java
	src/main/java/org/xmlbeam/util/intern/duplex/WritingXPath.java
Adding DuplexExpresion, refactoring DocumentBuilderVisitor
writing new BuildDocumentVisitor from scratch
revert branch changes
intermediate checkin
intermediate checkin
Now I again improve by reverting to the old BuildDocumentVisitor
implementation. A fresh start...
Adding support for context nodes and reverse steps
fix unit tests
- some minor bugfixes
- first integration of duplex document builder in
ProjectionInvocationHandler
intermediate checkin
minor bugfixes
bugfix broken unit test
initial commit