3.3.2 (#530)

* chore: trivial Makefile changes

Trivial `Makefile` changes regarding file pathing.

* chore: build flags

- Passes `-trimpath` flag to build tasks

- Creates `make ci` task and modifies `travis.yml` to use it

- Bumps version to `3.3.2`

cmd/cheat/main.go

@@ -13,7 +13,7 @@ import (
 	"github.com/cheat/cheat/internal/config"
 )
 
-const version = "3.3.1"
+const version = "3.3.2"
 
 func main() {