Be slightly more specific about mentat_core exporting Uuid.

core/Cargo.toml

@@ -8,6 +8,7 @@ enum-set = { git = "https://github.com/rnewman/enum-set" }
 lazy_static = "0.2"
 num = "0.1"
 ordered-float = "0.5"
+uuid = "0.5"
 
 [dependencies.edn]
 path = "../edn"

core/src/lib.rs

@@ -15,6 +15,7 @@ extern crate lazy_static;
 extern crate ordered_float;
 
 extern crate edn;
+extern crate uuid;
 
 pub mod values;
 
@@ -33,9 +34,7 @@ use self::edn::{
     NamespacedKeyword,
 };
 
-pub use edn::{
+pub use uuid::Uuid;
-    Uuid,
-};
 
 pub use edn::{
     DateTime,