raise ESDB::Exception for problems

Author: fx

lib/esdb.rb

@@ -1,4 +1,6 @@
 module ESDB
+  class Exception < Exception; end
+
   # Various Settings
   # TODO: refactor
   class << self

lib/esdb/resource.rb

@@ -54,7 +54,7 @@ def self.find(id)
       end
 
     rescue
-      nil
+      raise ESDB::Exception
     end
 
     # A kind of find_or_create - experimental.