Created logger

spec/logger_spec.cr

@@ -0,0 +1,13 @@
+require "./spec_helper"
+
+describe "Logger" do
+
+  it "logs stuff" do
+    IO.pipe do |r,w|
+      logger = Kemal::Logger.new(w)
+      logger.info "Info from logger"
+      r.gets.should match(/Info from logger/)
+    end
+  end
+
+end

src/kemal/logger.cr

@@ -0,0 +1,11 @@
+class Kemal::Logger
+  LOG_LEVELS = %w(info debug error warn)
+  def initialize(@stream)
+  end
+
+  {% for method in LOG_LEVELS %}
+    def {{method.id}}(message)
+      @stream.puts message
+    end
+  {% end %}
+end