fix upgrade echo to v4 as per upstream instructions

echo/adapter.go

@@ -9,7 +9,7 @@ import (
 
 	"github.com/aws/aws-lambda-go/events"
 	"github.com/awslabs/aws-lambda-go-api-proxy/core"
-	"github.com/labstack/echo"
+	"github.com/labstack/echo/v4"
 )
 
 // EchoLambda makes it easy to send API Gateway proxy events to a echo.Echo.

echo/echolambda_test.go

@@ -4,8 +4,8 @@ import (
 	"log"
 
 	"github.com/aws/aws-lambda-go/events"
-	"github.com/awslabs/aws-lambda-go-api-proxy/echo"
-	"github.com/labstack/echo"
+	echoadapter "github.com/awslabs/aws-lambda-go-api-proxy/echo"
+	"github.com/labstack/echo/v4"
 
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"

go.mod

@@ -3,52 +3,54 @@ module github.com/awslabs/aws-lambda-go-api-proxy
 go 1.12
 
 require (
-	github.com/Bowery/prompt v0.0.0-20190419144237-972d0ceb96f5 // indirect
 	github.com/BurntSushi/toml v0.3.1 // indirect
 	github.com/Joker/jade v1.0.0 // indirect
 	github.com/Shopify/goreferrer v0.0.0-20181106222321-ec9c9a553398 // indirect
+	github.com/ajg/form v1.5.1 // indirect
 	github.com/aws/aws-lambda-go v1.17.0
 	github.com/aymerick/raymond v2.0.2+incompatible // indirect
-	github.com/dchest/safefile v0.0.0-20151022103144-855e8d98f185 // indirect
 	github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385 // indirect
 	github.com/fatih/structs v1.1.0 // indirect
 	github.com/flosch/pongo2 v0.0.0-20190707114632-bbf5a6c351f4 // indirect
-	github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7
+	github.com/gavv/monotime v0.0.0-20190418164738-30dba4353424 // indirect
+	github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7 // indirect
 	github.com/gin-gonic/gin v0.0.0-20180126034611-783c7ee9c14e
 	github.com/go-chi/chi v0.0.0-20180202194135-e223a795a06a
-	github.com/golang/protobuf v1.0.0
-	github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf // indirect
-	github.com/google/uuid v0.0.0-20171129191014-dec09d789f3d
-	github.com/gorilla/context v1.1.1
+	github.com/golang/protobuf v1.0.0 // indirect
+	github.com/google/go-querystring v1.0.0 // indirect
+	github.com/google/gofuzz v1.0.0 // indirect
+	github.com/gorilla/context v1.1.1 // indirect
 	github.com/gorilla/mux v0.0.0-20180120075819-c0091a029979
 	github.com/gorilla/schema v1.1.0 // indirect
+	github.com/imkira/go-interpol v1.1.0 // indirect
 	github.com/iris-contrib/blackfriday v2.0.0+incompatible // indirect
 	github.com/iris-contrib/formBinder v5.0.0+incompatible // indirect
 	github.com/iris-contrib/go.uuid v2.0.0+incompatible // indirect
-	github.com/json-iterator/go v0.0.0-20180128142709-bca911dae073
-	github.com/kardianos/govendor v1.0.9 // indirect
+	github.com/iris-contrib/httpexpect v0.0.0-20180314041918-ebe99fcebbce // indirect
+	github.com/json-iterator/go v0.0.0-20180128142709-bca911dae073 // indirect
+	github.com/k0kubun/colorstring v0.0.0-20150214042306-9440f1994b88 // indirect
 	github.com/kataras/golog v0.0.0-20190624001437-99c81de45f40 // indirect
 	github.com/kataras/iris v11.1.1+incompatible
 	github.com/kataras/pio v0.0.0-20190103105442-ea782b38602d // indirect
 	github.com/klauspost/compress v1.7.4 // indirect
 	github.com/klauspost/cpuid v1.2.1 // indirect
-	github.com/labstack/echo v3.3.10+incompatible
-	github.com/labstack/gommon v0.2.8 // indirect
-	github.com/mattn/go-colorable v0.1.1 // indirect
-	github.com/mattn/go-isatty v0.0.5
+	github.com/labstack/echo/v4 v4.1.11
 	github.com/microcosm-cc/bluemonday v1.0.2 // indirect
+	github.com/moul/http2curl v1.0.0 // indirect
 	github.com/onsi/ginkgo v0.0.0-20180119174237-747514b53ddd
 	github.com/onsi/gomega v1.3.0
-	github.com/pkg/errors v0.8.1 // indirect
 	github.com/ryanuber/columnize v2.1.0+incompatible // indirect
+	github.com/sergi/go-diff v1.0.0 // indirect
 	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
-	github.com/ugorji/go v0.0.0-20180129160544-d2b24cf3d3b4
+	github.com/smartystreets/goconvey v1.6.4 // indirect
+	github.com/ugorji/go v0.0.0-20180129160544-d2b24cf3d3b4 // indirect
 	github.com/urfave/negroni v0.0.0-20180130044549-22c5532ea862
-	github.com/valyala/fasttemplate v1.0.1 // indirect
-	golang.org/x/net v0.0.0-20190311183353-d8887717615a
-	golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223
-	golang.org/x/text v0.3.0
-	golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c // indirect
-	gopkg.in/go-playground/validator.v8 v8.18.2
-	gopkg.in/yaml.v2 v2.2.2
+	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
+	github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0 // indirect
+	github.com/yudai/gojsondiff v1.0.0 // indirect
+	github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82 // indirect
+	github.com/yudai/pp v2.0.1+incompatible // indirect
+	golang.org/x/sync v0.0.0-20190423024810-112230192c58 // indirect
+	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
+	gopkg.in/go-playground/validator.v8 v8.18.2 // indirect
 )