Merge pull request #2 from ripienaar/go_118

resolve go 1.18 deprecations

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @aelsabbahy

.gitignore

@@ -1 +1,3 @@
-.vagrant/
+.idea
+*.swp
+*.bak

.travis.yml

@@ -1,4 +1,4 @@
 language: go
 
 go:
-  - 1.2.1
+  - 1.18

process_linux.go

@@ -1,17 +1,18 @@
+//go:build linux
 // +build linux
 
 package ps
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strings"
 )
 
 // Refresh reloads all the data associated with this process.
 func (p *UnixProcess) Refresh() error {
 	statPath := fmt.Sprintf("/proc/%d/stat", p.pid)
-	dataBytes, err := ioutil.ReadFile(statPath)
+	dataBytes, err := os.ReadFile(statPath)
 	if err != nil {
 		return err
 	}