Rename read_session package to readsession
Rename read_session_collection package to readsessioncollection
Rename request_agent package to requestagent
Rename response_agent package to responseagent
Rename safe_packet_provider package to safepacketprovider
Rename safe_packets package to safepackets
Rename safety_filter package to safetyfilter
Rename server_config package to serverconfig
Rename session_creator package to sessioncreator
Rename session_router package to sessionrouter
Rename test_helpers package to testhelpers
Rename timeout_controller package to timeoutcontroller
Merge branch 'fix-package-names'

Effective Go says:

"By convention, packages are given lower case, single-word names; there should
be no need for underscores or mixedCaps."