Bump to Golang 1.15 and switch to go modules

Author: Crazybus

.gitignore

@@ -0,0 +1,2 @@
+pratus
+build/pratus-*

.travis.yml

@@ -9,7 +9,7 @@ services:
 script:
   - go test -v -race -coverprofile=coverage.txt -covermode=atomic
   - wget https://github.com/Crazybus/lope/releases/download/0.4.0/lope-linux_amd64 -O lope && chmod +x lope
-  - ./lope -workDir /go/src/github.com/Crazybus/pratus -blacklist GO golang:1.11 '/usr/local/go/bin/go get -v ./... && /usr/local/go/bin/go run build/build.go'
+  - ./lope golang:1.15 '/usr/local/go/bin/go run build/build.go'
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

build/build.go

@@ -19,7 +19,6 @@ var operatingSystems = [...]string{
 }
 
 var archs = [...]string{
-	"386",
 	"amd64",
 }
 

go.mod

@@ -0,0 +1,9 @@
+module github.com/crazybus/pratus
+
+go 1.15
+
+require (
+	github.com/google/go-github v17.0.0+incompatible
+	github.com/google/go-querystring v1.0.0 // indirect
+	golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43
+)