ExtractBoundsFilterVisitor does not properly compute the filter bbox
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                 Key: GEOT-2423
                 URL: http://jira.codehaus.org/browse/GEOT-2423
             Project: GeoTools
          Issue Type: Bug
          Components: data shapefile
    Affects Versions: 2.5.4
            Reporter: Andrea Aime
            Assignee: Andrea Aime
             Fix For: 2.5.5


The extractor does not work as expected in case the filter contains 
Filter.INCLUDE or Filter.EXCLUDE and logic operations, does not work fine in 
case of multiple bboxes either.
In particular, the following rules are not followed:
- when and-ing filters, the bboxes extracted from members should be intersected
- when or-ing filters, the bboxes extracted from members should be unioned
- a filter that does not contain any spatial information is equivalent to the 
whole world

With the current behaviour a simple "Filter.INCLUDE and MyBBox" will return the 
whole world

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