moved request related error int request subpackage

errors.go

@@ -8,7 +8,6 @@ import (
 var (
 	ErrInvalidKey      = errors.New("key is invalid or of invalid type")
 	ErrHashUnavailable = errors.New("the requested hash function is unavailable")
-	ErrNoTokenInRequest = errors.New("no token present in request")
 )
 
 // The errors that might occur when parsing and validating a token

request/request.go

@@ -1,11 +1,17 @@
 package request
 
 import (
+	"errors"
 	"github.com/dgrijalva/jwt-go"
 	"net/http"
 	"strings"
 )
 
+// Errors
+var (
+	ErrNoTokenInRequest = errors.New("no token present in request")
+)
+
 // Try to find the token in an http.Request.
 // This method will call ParseMultipartForm if there's no token in the header.
 // Currently, it looks in the Authorization header as well as
@@ -29,5 +35,5 @@ func ParseFromRequestWithClaims(req *http.Request, keyFunc jwt.Keyfunc, claims j
 		return jwt.ParseWithClaims(tokStr, keyFunc, claims)
 	}
 
-	return nil, jwt.ErrNoTokenInRequest
+	return nil, ErrNoTokenInRequest
 }