Fixed #135

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

context.go

@@ -179,5 +179,6 @@ func (c *Context) Error(err error) {
 func (c *Context) reset(r *http.Request, w http.ResponseWriter, e *Echo) {
 	c.request = r
 	c.response.reset(w)
+	c.query = nil
 	c.echo = e
 }

echo.go

@@ -158,7 +158,7 @@ func New() (e *Echo) {
 	//----------
 
 	if runtime.GOOS == "windows" {
-		color.Disable()
+		e.DisableColoredLog()
 	}
 	e.HTTP2(false)
 	e.notFoundHandler = func(c *Context) error {