Add benchmark Rake task
Merge branch 'master' into develop
Call to_json in benchmark
Generate more events in benchmark
Merge branch 'master' into develop

Conflicts:
	benchmark.rake
Stub AR connection_config in benchmark
Merge branch 'master' into develop
Make no of transaction configurable in benchmark
Use CRC instead of MD5
Faster transaction to_hash
Handle env being nil when getting sanitized session data
Back to md5 digest for now
Bump to v0.12.alpha.3 [ci skip]