1.0.1
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* [Rename the the log message field name from 'Process.pid' to 'PID'](https://github.com/cerner/gc_stats/pull/1)
* [Cleanup of formatting, require statements and keeping lines to 80 characters](https://github.com/cerner/gc_stats/pull/2)
* [Rework GCStats::Middleware to simplify it and keep it thread safe](https://github.com/cerner/gc_stats/pull/4)
* [Add a depdendency on Rails 4.1+](https://github.com/cerner/gc_stats/pull/5)

1.0.0
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* Initial release