Modify imports macro to work with all things that are exports

lib/runtime-core/src/memory/dynamic.rs

@@ -43,7 +43,6 @@ impl DynamicMemory {
         local.base = storage.memory.as_ptr();
         local.bound = desc.min as usize * WASM_PAGE_SIZE;
         local.memory = storage_ptr as *mut ();
-        println!("local: {:?}", local);
 
         Some(storage)
     }

lib/runtime-core/src/memory/mod.rs

@@ -37,7 +37,7 @@ impl Memory {
             MemoryType::Static => {
                 MemoryStorage::Static(StaticMemory::new(desc, &mut vm_local_memory)?)
             }
-            MemoryType::SharedStatic => unimplemented!(),
+            MemoryType::SharedStatic => unimplemented!("shared memories are not yet implemented"),
         };
 
         Some(Memory {