circuit moved out of primitives

Makefile

api/client.go

api/client_test.go

api/connect.go

bots/bots.go

bots/bots_test.go

crypto/encrypt.go

crypto/encryptdecrypt_test.go

go.mod

go.sum

io/interface.go

io/send.go

rekey/rekey.go

rekey/rekey_test.go

user/session.go

user/session_test.go