Error handler now printing error messages

Signed-off-by: Vishal Rana <vr@labstack.com>

echo.go

@@ -282,7 +282,7 @@ func (e *Echo) DefaultHTTPErrorHandler(err error, c Context) {
 	if !c.Response().Committed() {
 		c.String(code, msg)
 	}
-	e.logger.Debug(err)
+	e.logger.Error(err)
 }
 
 // SetHTTPErrorHandler registers a custom Echo.HTTPErrorHandler.

engine/engine.go

@@ -60,7 +60,7 @@ type (
 		// ProtocolMinor() int
 
 		// ContentLength returns the size of request's body.
-		ContentLength() int
+		ContentLength() int64
 
 		// UserAgent returns the client's `User-Agent`.
 		UserAgent() string

engine/fasthttp/request.go

@@ -64,8 +64,8 @@ func (r *Request) Referer() string {
 }
 
 // ContentLength implements `engine.Request#ContentLength` function.
-func (r *Request) ContentLength() int {
-	return r.Request.Header.ContentLength()
+func (r *Request) ContentLength() int64 {
+	return int64(r.Request.Header.ContentLength())
 }
 
 // UserAgent implements `engine.Request#UserAgent` function.

engine/standard/request.go

@@ -82,8 +82,8 @@ func (r *Request) Referer() string {
 // }
 
 // ContentLength implements `engine.Request#ContentLength` function.
-func (r *Request) ContentLength() int {
-	return int(r.Request.ContentLength)
+func (r *Request) ContentLength() int64 {
+	return r.Request.ContentLength
 }
 
 // UserAgent implements `engine.Request#UserAgent` function.

test/request.go

@@ -72,8 +72,8 @@ func (r *Request) Referer() string {
 // 	return r.request.ProtoMinor()
 // }
 
-func (r *Request) ContentLength() int {
-	return int(r.request.ContentLength)
+func (r *Request) ContentLength() int64 {
+	return r.request.ContentLength
 }
 
 func (r *Request) UserAgent() string {