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/github.com/gin-gonic/gin/context_appengine.go

@@ -0,0 +1,12 @@
+// Copyright 2017 Manu Martinez-Almeida.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+//go:build appengine
+// +build appengine
+
+package gin
+
+func init() {
+	defaultPlatform = PlatformGoogleAppEngine
+}