large rewrite to make mize run on every platform

src/lib.rs

@@ -3,14 +3,18 @@
 
 static PROTO_VERSION: u8 = 1;
 
+pub mod core {
+    pub mod memstore;
+    pub mod instance;
+    pub mod item;
+    pub mod id;
+    pub mod proto;
+    pub mod error;
+    pub mod types;
+}
+
+pub use core::*;
 
-// pub mod types; 
-
-pub mod error;
-mod instance;
-mod proto;
-mod item;
-mod itemstore;