add Blobs, Trees and Objects iters. (#114)

* Now every object type as an iterator in Repository.
* old TreeIter is TreeWalker again, TreeIter now matches
  the same behaviour as other iterators.

1 files changed, 2 insertions, 2 deletions

diff --git a/file.go b/file.go
index 6ba9d0b..3278a8c 100644
--- a/file.go
+++ b/file.go
@@ -55,11 +55,11 @@ func (f *File) Lines() ([]string, error) {
 
 type FileIter struct {
 	r *Repository
-	w TreeIter
+	w TreeWalker
 }
 
 func NewFileIter(r *Repository, t *Tree) *FileIter {
-	return &FileIter{r: r, w: *NewTreeIter(r, t, true)}
+	return &FileIter{r: r, w: *NewTreeWalker(r, t, true)}
 }
 
 func (iter *FileIter) Next() (*File, error) {