gotra - an implementation of OTRv4 in Golang

We should try to keep the API as similar as possible to OTRv3 - in fact, it would be great if we could define an interface that covers both of them.

Name		Name	Last commit message	Last commit date
Latest commit History 20 Commits
vendor		vendor
.gitignore		.gitignore
.travis.yml		.travis.yml
Gopkg.lock		Gopkg.lock
Gopkg.toml		Gopkg.toml
Makefile		Makefile
OFFLINE_DESIGN		OFFLINE_DESIGN
README.md		README.md
REMEMBER		REMEMBER
STORAGE_DESIGN		STORAGE_DESIGN
b64.go		b64.go
client_profile.go		client_profile.go
constants.go		constants.go
conversation.go		conversation.go
dake.go		dake.go
dake_ser.go		dake_ser.go
data.go		data.go
data_ser.go		data_ser.go
flow_test.go		flow_test.go
helpers_test.go		helpers_test.go
itag.go		itag.go
keys.go		keys.go
keys_ser.go		keys_ser.go
message.go		message.go
rand.go		rand.go
ratchet.go		ratchet.go
states.go		states.go
tlv.go		tlv.go
versions.go		versions.go

coyim/gotra