Modules

Here is a list of all modules:

Queue structure and utilities
Functions for memory allocation.	A memory allocated by these functions is automatically freed when processing of request is finished
Macros for convenient xml document construction.	Following macros are shortcuts used for document creation. So that we don't have to clutter the code with error checking and other stuff. That makes the code much more readable
Error codes which signal the cause of an error and	Macros which make working with error values easier
Functions for convenient usage of xpath	Queries