[BUGFIX] Removing extra quotation added on --format

* Turns out the quotation is a part of "?format=" so it got removed
* Added a nice bonus of replacing spaces in --format with their proper
URL value

main.go

@@ -7,6 +7,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"regexp"
 	"strconv"
 	"strings"
 
@@ -121,10 +122,11 @@ func generateParamFormat(switchesF []*bool, freeStyleF *string, formatF *string,
 
 	// If --format is specified, let's return the format the user wants
 	if *formatF != "" {
+		re := regexp.MustCompile("\\s")
 		var str strings.Builder
-		str.WriteString("?format=\"")
-		str.WriteString(*formatF)
-		str.WriteString("\"")
+
+		str.WriteString("?format=")
+		str.WriteString(re.ReplaceAllString(*formatF, "%20"))
 		return str.String(), downloadMode, nil
 	}
 	// If --one-liner is specified, we know the format is set so let's return it