furnish batch interface with trait

Signed-off-by: Jason Volk <jason@zemos.net>

src/database/mod.rs

@@ -30,7 +30,7 @@ pub use self::{
 	deserialized::Deserialized,
 	handle::Handle,
 	keyval::{serialize_key, serialize_val, KeyVal, Slice},
-	map::{compact, Map},
+	map::{compact, Get, Map, Qry},
 	ser::{serialize, serialize_to, serialize_to_vec, Cbor, Interfix, Json, Separator, SEP},
 };
 pub(crate) use self::{