Move PResult and ParseError under syn::synom
diff --git a/src/synom.rs b/src/synom.rs
index 77bd295..5d2d1a4 100644
--- a/src/synom.rs
+++ b/src/synom.rs
@@ -25,7 +25,7 @@
 
 pub use cursor::*;
 
-use PResult;
+pub use error::{PResult, ParseError};
 
 pub trait Synom: Sized {
     fn parse(input: Cursor) -> PResult<Self>;