misc: Support Go 1.13

.travis.yml

@@ -1,6 +1,7 @@
 language: go
 go:
 - 1.12
+- 1.13
 os:
 - linux
 - windows
@@ -14,8 +15,6 @@ cache:
   directories:
   - $HOME/.gimme
   - "$HOME/google-cloud-sdk/"
-env:
-- GO111MODULE=on
 install:
 - true
 script:
@@ -31,13 +30,13 @@ deploy:
   skip_cleanup: true
   on:
     tags: true
-    go: 1.12
+    go: 1.13
     repo: tus/tusd
     os: linux
 - provider: script
   script: scripts/deploy_kube.sh
   on:
     branch: master
-    go: 1.12
+    go: 1.13
     repo: tus/tusd
     os: linux

README.md

@@ -32,7 +32,7 @@ Windows in various formats of the
 ### Compile from source
 
 The only requirement for building tusd is [Go](http://golang.org/doc/install).
-Currently only Go 1.12 is tested and supported and in the future only the two latest
+Currently only Go 1.12 and 1.13 is tested and supported and in the future only the two latest
 major releases will be supported.
 If you meet this criteria, you can clone the git repository, install the remaining
 dependencies and build the binary: