comments and formatting
mk_buffer_segment -> BufferSegment.mk, String utils
introducing utility methods
initial refactor session module, ref #145
[Utils.String] eq_* -> cnst_*
work in progress
unset support, refresh support
[session] infrastructure for MemoryCache state store
[Session] Example/demo state working
[Session.State] configure relative expiry
[Session.Auth] introduce secure flag
[Session.Auth] being more precise about ranges
[Utils.Crypto] first piece of the puzzle
[Utils.Crypto] Towards decrypt
[Utils.Crypto] rename nonce -> iv since it's randomised
[Utils.Crypto] passing tests
[Utils.Crypto] Test for altered msg
[Utils.Crypto] comment
[Utils.Crypto] comment
[Session] Refactor towards Cookie state abstraction