fix sqlite issue and call to_i if using id as param

lib/find_by_param.rb

@@ -53,7 +53,7 @@ def make_permalink(options={})
   	      extend Railslove::Plugins::FindByParam::SingletonMethods
         	include Railslove::Plugins::FindByParam::InstanceMethods
     	  rescue
-    	    puts "Database not available"
+    	    puts "[find_by_param error] database not available"
         end
       end