some tests and major cleanup

pkg/core/permission.go

@@ -11,18 +11,6 @@ const (
 	Private
 )
 
-func ParsePerm(p int) Permission {
-	switch p {
-	case 1:
-		return Public
-	case 2:
-		return Internal
-	case 3:
-		return Private
-	}
-	return Invalid
-}
-
 func ParsePermString(p string) Permission {
 	switch p {
 	case "1":
@@ -51,10 +39,6 @@ func WritePerm(username, section string, p *Page) bool {
 	if section != WikiSection && section != username {
 		return false
 	}
-	return writePerm(username, p)
-}
-
-func writePerm(username string, p *Page) bool {
 	switch p.Perm {
 	case Public, Internal:
 		if p.Owner == WikiSection {