* Support for @* in ids list (all except the one provided in ignore list)
* Option to output to stdout (requested by Marcus.Harnisch@schleicher-electronic.com)
* Hash code for PI, CDATA and comments
* Differences Text in PI, CDATA and Comments
* Best difference in text, PI, CDATA <diff:added> <diff:removed> with longest common sequence
* Support for XPath expressions in identifiers
* Debug the segfault when building as a dynamic library
* Binders : Java (JAXP, libxmlj, JNI ?), Python (Swig ?)

