Grand test fixup (#138)

* start fixing up tests

* fix up tests + automate with drone

* fiddle with linting

* messing about with drone.yml

* some more fiddling

* hmmm

* add cache

* add vendor directory

* verbose

* ci updates

* update some little things

* update sig

vendor/mellium.im/sasl/bitbucket-pipelines.yml

@@ -0,0 +1,10 @@
+image: golang:latest
+pipelines:
+  default:
+    - step:
+        script:
+          - go version
+          - go vet ./...
+          - go test -race ./...
+          - go test -cover ./...
+          - go test -bench . -benchmem ./...