Imporves performance for Archiving and Range dates. Makes all kind of
reports faster as well. Fixed bugs in labelFilter, reports total calculation
and more.
making W3cExtendedFormat treat time-taken field as seconds by default (since that is what the W3C format specifies). Also add support for event tracking and cloudfront RTMP logs (which provide event logs). Also allow multiple spaces in between W3C extended log files. Allow derived classes of W3cExtendedFormat to define new custom field regexes.