fix: Replaced ioutil as it was deprecated in Golang.

pkg/picol/commands.go

@@ -1,10 +1,10 @@
 package picol
 
 import (
-	"errors"
-	"fmt"
-	"strconv"
-	"strings"
+	errors "errors"
+	fmt "fmt"
+	strconv "strconv"
+	strings "strings"
 )
 
 /*

pkg/picol/commands_test.go

@@ -1,9 +1,9 @@
 package picol_test
 
 import (
-	"testing"
+	testing "testing"
 
-	"github.com/dragonheim/gagent/pkg/picol"
+	picol "github.com/dragonheim/gagent/pkg/picol"
 )
 
 func Test_NeedleInHaystack(t *testing.T) {

pkg/picol/picol_unused/main.go_unused

@@ -1,11 +1,11 @@
 package main
 
 import (
-	"bufio"
-	"flag"
-	"fmt"
-	"io/ioutil"
-	"os"
+	bufio "bufio"
+	flag "flag"
+	fmt "fmt"
+	io "io"
+	os "os"
 
 	picol "github.com/dragonheim/gagent/pkg/picol"
 )
@@ -16,7 +16,7 @@ func RunPicol(fname string) error {
 	interp := picol.NewInterpreter()
 	interp.RegisterCoreCommands()
 
-	buf, err := ioutil.ReadFile(fname)
+	buf, err := io.ReadFile(fname)
 	if err == nil {
 		result, err := interp.Eval(string(buf))
 		if err != nil {

pkg/picol/picol_unused/main_test.go_unused

@@ -1,9 +1,9 @@
 package main_test
 
 import (
-	"io/ioutil"
-	"os"
-	"testing"
+	io "io"
+	os "os"
+	testing "testing"
 
 	picol "github.com/dragonheim/gagent/pkg/picol/picol_unused"
 )
@@ -11,7 +11,7 @@ import (
 func Test_RunPicol(t *testing.T) {
 	// Create a temporary test file
 	content := []byte("set a 5\nset b 7\n+ $a $b\n")
-	tmpfile, err := ioutil.TempFile("", "picol_test")
+	tmpfile, err := io.TempFile("", "picol_test")
 	if err != nil {
 		t.Fatalf("Error creating temporary test file: %v", err)
 	}