docs: Update API.

doc/source/api/api.txt

@@ -5,9 +5,9 @@ API Reference
 
 .. toctree::
 
-   scikits.image.analysis
    scikits.image.color
    scikits.image.filter
+   scikits.image.graph
    scikits.image.io
    scikits.image.opencv
    scikits.image.transform

doc/source/api/scikits.image.io.txt

@@ -43,6 +43,8 @@ Inheritance diagram for ``scikits.image.io``:
    scikits.image.io.load_surf
    scikits.image.io.plugin_info
    scikits.image.io.plugins
+   scikits.image.io.pop
+   scikits.image.io.push
    scikits.image.io.show
    scikits.image.io.use_plugin
 
@@ -81,6 +83,16 @@ plugins
 
 .. autofunction:: scikits.image.io.plugins
 
+pop
+---
+
+.. autofunction:: scikits.image.io.pop
+
+push
+----
+
+.. autofunction:: scikits.image.io.push
+
 show
 ----