Fixed some issues in the ident module.

core/ident.rs

+use std::path::Path;
 
 /// Identifier for a particular movie or episode.  Doesn't handle different
 /// releases of movies or anything like that.
         name: String,
 
         /// Year released, to disambiguate.
-        year: String
+        year: String,
     },
 
     /// Episode of some TV show or anime.
     Episode {
         /// Name of the show.
         name: String,
-        
+
         /// Some shows aren't released as seasons, often anime.
         season: Option<u32>,
 
         episode: u32,
 
         /// What kind of TV is it?
-        cat: TvCategory
-    }
+        cat: TvCategory,
+    },
 }
 
 #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
     Tv,
 
     /// Anime, which often is categorized seperately.
-    Anime
+    Anime,
 }
 
 /// Hint to provide to matching engine about content identity.
     Season(String),
 
     /// Episode number, usually passed *with* a season, like "E11".
-    Episode(String)
+    Episode(String),
 }
 
 /// Some kind of error that can happen when trying to identify a match.
 #[derive(Debug)]
-enum MatchError {
+pub enum MatchError {
     /// No matches found.
     NoMatches,
 
 
     /// File permissions error.
     PermissionsError,
-    
+
     /// In case they're using the wrong version of filebot.
     NonlibreError,
-
 }
 
 // TODO Decide what we want to be able to do with an engine.
-trait MatchinEngine {
+pub trait MatchingEngine {
     fn identify(&self, path: &Path) -> Result<MediaId, MatchError>;
 }