Merge pull request #3 from vinxi/feat/log

Promote interface change to master

interface.go

@@ -0,0 +1,22 @@
+package log
+
+import (
+	log "gopkg.in/Sirupsen/logrus.v0"
+)
+
+// Interface represents the API of both Logger and Entry.
+type Interface interface {
+	WithFields(fields log.Fields) *log.Entry
+	WithField(key string, value interface{}) *log.Entry
+	WithError(err error) *log.Entry
+	Debug(...interface{})
+	Info(...interface{})
+	Warn(...interface{})
+	Error(...interface{})
+	Fatal(...interface{})
+	Debugf(msg string, v ...interface{})
+	Infof(msg string, v ...interface{})
+	Warnf(msg string, v ...interface{})
+	Errorf(msg string, v ...interface{})
+	Fatalf(msg string, v ...interface{})
+}