Better documentation

logger.go

@@ -38,10 +38,14 @@ func ErrorLoggerT(typ ErrorType) HandlerFunc {
 	}
 }
 
+// Instances a Logger middleware that will write the logs to gin.DefaultWriter
+// By default gin.DefaultWriter = os.Stdout
 func Logger() HandlerFunc {
 	return LoggerWithWriter(DefaultWriter)
 }
 
+// Instance a Logger middleware with the specified writter buffer.
+// Example: os.Stdout, a file opened in write mode, a socket...
 func LoggerWithWriter(out io.Writer) HandlerFunc {
 	return func(c *Context) {
 		// Start timer