Minor fixes.

src/main.coffee

@@ -69,6 +69,7 @@ $handleJsonRpcCall = (api, session, encodedRequest) ->
   catch error
     # If it is not a valid API error, hides it with a generic server error.
     unless ($_.isObject error) and (error not instanceof Error)
+      console.error error.stack ? error
       error = $API.err.SERVER_ERROR
 
     formatError error

src/xo.coffee

@@ -77,7 +77,7 @@ class $User extends $Model
 
   # Checks the password and updates the hash if necessary.
   checkPassword: (password) ->
-    hash = @get 'hash'
+    hash = @get 'pw_hash'
 
     unless $verifyHash password, hash
       return false
@@ -126,12 +126,12 @@ class $XO
     @tokens = new $Tokens {
       connection: redis
       prefix: 'xo:token'
-      indexes: ['host']
+      indexes: ['user_id']
     }
     @users = new $Users {
       connection: redis
       prefix: 'xo:user'
-      indexes: ['host']
+      indexes: ['email']
     }
 
     # Proxies tokens/users related events to XO and removes tokens