opener_stack.php

Fixes INP-1557 - Use "http_build_query" to escape url parameters

Bug #0000493: Redirect template (kEvent::redirect attribute) has no effect, when popups are used

1. always do URLENCODE of urls, that are being processed via kOpenerStack class

INP-410

Bug #0000493: Redirect template (kEvent::redirect attribute) has no effect, when popups are used

1. unable to relate to links, since %5C wasn't replaced to \ before "env" parsing

INP-410

Fixes #0001171: Fatal when trying to Relate Catalog Items

INP-951

Bug #0000268: Code Cleanup in 5.2.x branch

1. making all rewrite and non-rewrite methods located into separate classes with shared interface

2. moved UserGroups session variable setting for Guest users to Session class

3. getIndexFile method was called for rewrite urls, but it it's result was never used

4. method IsHTTPSRedirect moved from Session to kHTTPQuery class

INP-224

Fixes #0000392: Section renaming using "Section Properties" button causes one more section to be created

INP-325