Version 0.3
 * Added grouping search results by page with nested subsections
 * Fixed bug with relevance
 * Fixed bug with navigations by pages
 * Added namespaces list in sidebar of search results
 * Fixed search by namespaces
 * Fixed support for multilanguage search
Version 0.2
 * Fixed bug with invalid characters in XML
 * Fixed bug with parsing dokuwiki pages
 * Fixed bug with memory leak, now it requires not more than 7Mb
Version 0.1