diff --git a/.travis.yml b/.travis.yml
index a93458f9..a765f37f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,10 @@ go:
   - 1.9.x
   - 1.10.x
   - 1.11.x
+  - master
+
+matrix:
+  fast_finish: true
 
 git:
   depth: 10
diff --git a/README.md b/README.md
index 45bfce5a..6fd2dd34 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@
 [![Join the chat at https://gitter.im/gin-gonic/gin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/gin-gonic/gin?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![Sourcegraph](https://sourcegraph.com/github.com/gin-gonic/gin/-/badge.svg)](https://sourcegraph.com/github.com/gin-gonic/gin?badge)
 [![Open Source Helpers](https://www.codetriage.com/gin-gonic/gin/badges/users.svg)](https://www.codetriage.com/gin-gonic/gin)
+[![Release](https://img.shields.io/github/release/gin-gonic/gin.svg?style=flat-square)](https://github.com/gin-gonic/gin/releases)
 
 Gin is a web framework written in Go (Golang). It features a martini-like API with much better performance, up to 40 times faster thanks to [httprouter](https://github.com/julienschmidt/httprouter). If you need performance and good productivity, you will love Gin.
 
diff --git a/debug.go b/debug.go
index d6d8bce6..c5e65b22 100644
--- a/debug.go
+++ b/debug.go
@@ -8,14 +8,21 @@ import (
 	"bytes"
 	"fmt"
 	"html/template"
+	"os"
+	"runtime"
+	"strconv"
+	"strings"
 )
 
+const ginSupportMinGoVer = 6
+
 // IsDebugging returns true if the framework is running in debug mode.
 // Use SetMode(gin.ReleaseMode) to disable debug mode.
 func IsDebugging() bool {
 	return ginMode == debugCode
 }
 
+// DebugPrintRouteFunc indicates debug log output format.
 var DebugPrintRouteFunc func(httpMethod, absolutePath, handlerName string, nuHandlers int)
 
 func debugPrintRoute(httpMethod, absolutePath string, handlers HandlersChain) {
@@ -44,14 +51,25 @@ func debugPrintLoadTemplate(tmpl *template.Template) {
 
 func debugPrint(format string, values ...interface{}) {
 	if IsDebugging() {
-		fmt.Printf("[GIN-debug] "+format, values...)
+		fmt.Fprintf(os.Stderr, "[GIN-debug] "+format, values...)
 	}
 }
 
+func getMinVer(v string) (uint64, error) {
+	first := strings.IndexByte(v, '.')
+	last := strings.LastIndexByte(v, '.')
+	if first == last {
+		return strconv.ParseUint(v[first+1:], 10, 64)
+	}
+	return strconv.ParseUint(v[first+1:last], 10, 64)
+}
+
 func debugPrintWARNINGDefault() {
-	debugPrint(`[WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon.
+	if v, e := getMinVer(runtime.Version()); e == nil && v <= ginSupportMinGoVer {
+		debugPrint(`[WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon.
 
 `)
+	}
 	debugPrint(`[WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.
 
 `)
diff --git a/debug_test.go b/debug_test.go
index 0b9d7910..97ff166b 100644
--- a/debug_test.go
+++ b/debug_test.go
@@ -11,6 +11,7 @@ import (
 	"io"
 	"log"
 	"os"
+	"runtime"
 	"sync"
 	"testing"
 
@@ -88,7 +89,12 @@ func TestDebugPrintWARNINGDefault(t *testing.T) {
 		debugPrintWARNINGDefault()
 		SetMode(TestMode)
 	})
-	assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon.\n\n[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
+	m, e := getMinVer(runtime.Version())
+	if e == nil && m <= ginSupportMinGoVer {
+		assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon.\n\n[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
+	} else {
+		assert.Equal(t, "[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
+	}
 }
 
 func TestDebugPrintWARNINGNew(t *testing.T) {
@@ -129,3 +135,18 @@ func captureOutput(f func()) string {
 	writer.Close()
 	return <-out
 }
+
+func TestGetMinVer(t *testing.T) {
+	var m uint64
+	var e error
+	_, e = getMinVer("go1")
+	assert.NotNil(t, e)
+	m, e = getMinVer("go1.1")
+	assert.Equal(t, uint64(1), m)
+	assert.Nil(t, e)
+	m, e = getMinVer("go1.1.1")
+	assert.Nil(t, e)
+	assert.Equal(t, uint64(1), m)
+	_, e = getMinVer("go1.1.1.1")
+	assert.NotNil(t, e)
+}
diff --git a/logger.go b/logger.go
index 1a8df601..5f986853 100644
--- a/logger.go
+++ b/logger.go
@@ -17,7 +17,7 @@ import (
 var (
 	green        = string([]byte{27, 91, 57, 55, 59, 52, 50, 109})
 	white        = string([]byte{27, 91, 57, 48, 59, 52, 55, 109})
-	yellow       = string([]byte{27, 91, 57, 55, 59, 52, 51, 109})
+	yellow       = string([]byte{27, 91, 57, 48, 59, 52, 51, 109})
 	red          = string([]byte{27, 91, 57, 55, 59, 52, 49, 109})
 	blue         = string([]byte{27, 91, 57, 55, 59, 52, 52, 109})
 	magenta      = string([]byte{27, 91, 57, 55, 59, 52, 53, 109})
diff --git a/logger_test.go b/logger_test.go
index 7dbbf7b1..6118cb04 100644
--- a/logger_test.go
+++ b/logger_test.go
@@ -85,7 +85,7 @@ func TestLogger(t *testing.T) {
 func TestColorForMethod(t *testing.T) {
 	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 52, 109}), colorForMethod("GET"), "get should be blue")
 	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 54, 109}), colorForMethod("POST"), "post should be cyan")
-	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 51, 109}), colorForMethod("PUT"), "put should be yellow")
+	assert.Equal(t, string([]byte{27, 91, 57, 48, 59, 52, 51, 109}), colorForMethod("PUT"), "put should be yellow")
 	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 49, 109}), colorForMethod("DELETE"), "delete should be red")
 	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 50, 109}), colorForMethod("PATCH"), "patch should be green")
 	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 53, 109}), colorForMethod("HEAD"), "head should be magenta")
@@ -96,7 +96,7 @@ func TestColorForMethod(t *testing.T) {
 func TestColorForStatus(t *testing.T) {
 	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 50, 109}), colorForStatus(http.StatusOK), "2xx should be green")
 	assert.Equal(t, string([]byte{27, 91, 57, 48, 59, 52, 55, 109}), colorForStatus(http.StatusMovedPermanently), "3xx should be white")
-	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 51, 109}), colorForStatus(http.StatusNotFound), "4xx should be yellow")
+	assert.Equal(t, string([]byte{27, 91, 57, 48, 59, 52, 51, 109}), colorForStatus(http.StatusNotFound), "4xx should be yellow")
 	assert.Equal(t, string([]byte{27, 91, 57, 55, 59, 52, 49, 109}), colorForStatus(2), "other things should be red")
 }
 
diff --git a/recovery.go b/recovery.go
index 61c5bd53..6c28b4fa 100644
--- a/recovery.go
+++ b/recovery.go
@@ -39,8 +39,12 @@ func RecoveryWithWriter(out io.Writer) HandlerFunc {
 			if err := recover(); err != nil {
 				if logger != nil {
 					stack := stack(3)
-					httprequest, _ := httputil.DumpRequest(c.Request, false)
-					logger.Printf("[Recovery] %s panic recovered:\n%s\n%s\n%s%s", timeFormat(time.Now()), string(httprequest), err, stack, reset)
+					if IsDebugging() {
+						httprequest, _ := httputil.DumpRequest(c.Request, false)
+						logger.Printf("[Recovery] %s panic recovered:\n%s\n%s\n%s%s", timeFormat(time.Now()), string(httprequest), err, stack, reset)
+					} else {
+						logger.Printf("[Recovery] %s panic recovered:\n%s\n%s%s", timeFormat(time.Now()), err, stack, reset)
+					}
 				}
 				c.AbortWithStatus(http.StatusInternalServerError)
 			}
diff --git a/recovery_test.go b/recovery_test.go
index 53f4a071..7d422b74 100644
--- a/recovery_test.go
+++ b/recovery_test.go
@@ -24,9 +24,19 @@ func TestPanicInHandler(t *testing.T) {
 	w := performRequest(router, "GET", "/recovery")
 	// TEST
 	assert.Equal(t, http.StatusInternalServerError, w.Code)
-	assert.Contains(t, buffer.String(), "GET /recovery")
+	assert.Contains(t, buffer.String(), "panic recovered")
 	assert.Contains(t, buffer.String(), "Oupps, Houston, we have a problem")
 	assert.Contains(t, buffer.String(), "TestPanicInHandler")
+	assert.NotContains(t, buffer.String(), "GET /recovery")
+
+	// Debug mode prints the request
+	SetMode(DebugMode)
+	// RUN
+	w = performRequest(router, "GET", "/recovery")
+	// TEST
+	assert.Equal(t, http.StatusInternalServerError, w.Code)
+	assert.Contains(t, buffer.String(), "GET /recovery")
+
 }
 
 // TestPanicWithAbort assert that panic has been recovered even if context.Abort was used.
diff --git a/routergroup.go b/routergroup.go
index be561dee..579aa7dc 100644
--- a/routergroup.go
+++ b/routergroup.go
@@ -17,7 +17,7 @@ type IRouter interface {
 	Group(string, ...HandlerFunc) *RouterGroup
 }
 
-// Iroutes defins all router handle interface.
+// IRoutes defines all router handle interface.
 type IRoutes interface {
 	Use(...HandlerFunc) IRoutes
 
diff --git a/tree.go b/tree.go
index d78645bf..a0e14061 100644
--- a/tree.go
+++ b/tree.go
@@ -195,9 +195,16 @@ func (n *node) addRoute(path string, handlers HandlersChain) {
 						}
 					}
 
-					panic("path segment '" + path +
+					pathSeg := path
+					if n.nType != catchAll {
+						pathSeg = strings.SplitN(path, "/", 2)[0]
+					}
+					prefix := fullPath[:strings.Index(fullPath, pathSeg)] + n.path
+					panic("'" + pathSeg +
+						"' in new path '" + fullPath +
 						"' conflicts with existing wildcard '" + n.path +
-						"' in path '" + fullPath + "'")
+						"' in existing prefix '" + prefix +
+						"'")
 				}
 
 				c := path[0]
diff --git a/tree_test.go b/tree_test.go
index 5c427e6c..a12b9a83 100644
--- a/tree_test.go
+++ b/tree_test.go
@@ -5,7 +5,9 @@
 package gin
 
 import (
+	"fmt"
 	"reflect"
+	"regexp"
 	"strings"
 	"testing"
 )
@@ -656,3 +658,43 @@ func TestTreeInvalidNodeType(t *testing.T) {
 		t.Fatalf("Expected panic '"+panicMsg+"', got '%v'", recv)
 	}
 }
+
+func TestTreeWildcardConflictEx(t *testing.T) {
+	conflicts := [...]struct {
+		route        string
+		segPath      string
+		existPath    string
+		existSegPath string
+	}{
+		{"/who/are/foo", "/foo", `/who/are/\*you`, `/\*you`},
+		{"/who/are/foo/", "/foo/", `/who/are/\*you`, `/\*you`},
+		{"/who/are/foo/bar", "/foo/bar", `/who/are/\*you`, `/\*you`},
+		{"/conxxx", "xxx", `/con:tact`, `:tact`},
+		{"/conooo/xxx", "ooo", `/con:tact`, `:tact`},
+	}
+
+	for _, conflict := range conflicts {
+		// I have to re-create a 'tree', because the 'tree' will be
+		// in an inconsistent state when the loop recovers from the
+		// panic which threw by 'addRoute' function.
+		tree := &node{}
+		routes := [...]string{
+			"/con:tact",
+			"/who/are/*you",
+			"/who/foo/hello",
+		}
+
+		for _, route := range routes {
+			tree.addRoute(route, fakeHandler(route))
+		}
+
+		recv := catchPanic(func() {
+			tree.addRoute(conflict.route, fakeHandler(conflict.route))
+		})
+
+		if !regexp.MustCompile(fmt.Sprintf("'%s' in new path .* conflicts with existing wildcard '%s' in existing prefix '%s'",
+			conflict.segPath, conflict.existSegPath, conflict.existPath)).MatchString(fmt.Sprint(recv)) {
+			t.Fatalf("invalid wildcard conflict error (%v)", recv)
+		}
+	}
+}