added check_plain on teaser field
Fixed body declaration in item form
Added body declaration in feed form

Added check_plain calls for aggregation_feeds and aggregation_items
Added new permission in the aggregation_item

Updated RSS 2.0 with contributed patches
Updated aggregation.install to install support for RDF
Updated README.txt to reflect with the new changes

Changed code to convert crc32 to unsigned int before inserting it into DB

Updated README file

to follow up to branch 5

ternary operator (? :) caused a concatenation priority problem.
Fixed by adding parenthesis to explicitly set evaluation order.

Added filter on aggregation item's generated body field

Added checking for PHP/LIBXML versions

Added checking for PHP/LIBXML versions

Changed possibly problematic code in aggregation_item_view
Upgraded RSS 2.0 feed handler to create teaser based on global teaser options

implemented aggregation_item_view to show the image by default
added options to control the publishing & comment status of aggregated content