Version 0.4.0
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NEW FEATURES
* Amazon S3 bucket access logs are now supported with read_s3(). Thanks to Hadley Wickham
for the feature request.

BUG FIXES
* For consistency purposes, date-times will be POSIXct rather than occasionally POSIXlt

DEVELOPMENT
* Splitters are now approximately 40-60% faster and can better handle corrupted or strange fields.

Version 0.3.1
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*Internal tweaks matching the updated readr package.

Version 0.3.0
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*IP normalisation and conversion removed; use iptools
*URL decoding removed; use urltools.
*R user agent parsing removed; use uaparser

Version 0.2.0
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*Add an AWS log file reader, read_aws, at Hadley's suggestion.
*Convert log readers to use readr's read_log, eliminating some complexity and R-side parsing
*Documentation around split_* improved to make clear what happens with non-intact requests.
*Add a prototype R user agent parser.
*Add ip_to_numeric to convert human-readable IPv4s to numeric values.

Version 0.1.0
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*Initial release