Made a remove page function

The remove page function will remove a page from the notebook.

ocarina/body.py

@@ -61,14 +61,22 @@ def init_page(page_name):
 	child.visible()
 	body.connect("switch-page", switch_page)
 
-def add_page(text, content):
-	label = Label(text)
+def add_page(name, content):
+	label = Label(name)
 	label.set_angle(90)
 	page  = Page(content)
-	contents[text] = page
+	contents[name] = page
 	body.append_page(page, label)
 	body.set_tab_label_packing(page, True, True, gtk.PACK_START)
 
+def remove_page(name):
+	page = contents.get(name, None)
+	if page == None:
+		return
+	n = body.page_num(page)
+	body.remove_page(n)
+	del contents[name]
+
 def switch_page(notebook, page, pagenum):
 	cur_num = body.get_current_page()
 	child   = body.get_nth_page(cur_num)