Move exporter to main and listen/interval to flags

exporter/helper.go

@@ -1,26 +0,0 @@
-package exporter
-
-import (
-	"fmt"
-	"log"
-	"strconv"
-	"strings"
-)
-
-func debug(name string, format string, a ...interface{}) {
-	if *verbose {
-		f := fmt.Sprintf("%s: %s", name, format)
-		log.Printf(f, a...)
-	}
-}
-
-func splitToInts(str string, sep string) (ints []int, err error) {
-	for _, part := range strings.Split(str, sep) {
-		i, err := strconv.Atoi(part)
-		if err != nil {
-			return nil, fmt.Errorf("Could not split '%s' because %s is no int: %s", str, part, err)
-		}
-		ints = append(ints, i)
-	}
-	return ints, nil
-}