Commit working draft, for perms.

src/database/permissions.rs

@@ -0,0 +1,14 @@
+bitfield! {
+    pub struct MemberPermissions(MSB0 [u8]);
+    u8;
+    pub get_access, set_access: 7;
+    pub get_create_invite, set_create_invite: 6;
+    pub get_kick_members, set_kick_members: 5;
+    pub get_ban_members, set_ban_members: 4;
+    pub get_read_messages, set_read_messages: 3;
+    pub get_send_messages, set_send_messages: 2;
+}
+
+//struct PermissionCalculator {
+    //channel: Option<>,
+//}