separate handshake_types into its own file
provide interfaces for handshake_{client, crypto, server}
style answer_hello_request
cleanup initialise_crypto_ctx interface
style
renaming: handhsake_state -> handshake_machina_state ; tls_internal_state -> handshake_state
code in motion

cheers @hannesm!
hanshake c. u. -> hanshake c.
unbreak
Merge pull request #87 from mirleft/more-interfaces

separate handshake_types into its own file and other bedtime stories