Changes for version 1.2.0

Added the ability to have in-line execution of external servlets via the pse.include() function
Added the ability to create authentication hooks in a custom Python module
Added the ability to create custom exception handling hooks in a custom Python module
Plugins that conflict with reserved attributes of the pse module will no longer load and overwrite those attributes
Fixed a minor parsing bug that ate the last character in <? ... ?> tags
The compile tool has been substantially upgraded in functionality and now includes a -h/-help option
Documentation has been extensively updated, and now includes a chapter on installation and configuration and an index
A 1.1 to 1.2 transition document was added to the documentation
Distribution now has a contrib directory containing some sample plugins and other modules for use with PSE