Refactor handlers and extern, and other minor changes.

Update compile.py so that by default after making installer and installing,
it runs all examples one after another, and unit tests at the end.

Author: cztomczak

docs/Build-instructions.md

@@ -272,7 +272,8 @@ def __init__(self, browser_frame):
         self.browser_frame = browser_frame
 
     def OnLoadStart(self, browser, _):
-        self.browser_frame.master.navigation_bar.set_url(browser.GetUrl())
+        if self.browser_frame.master.navigation_bar:
+            self.browser_frame.master.navigation_bar.set_url(browser.GetUrl())
 
 
 class FocusHandler(object):

examples/tkinter_.py

@@ -475,40 +475,40 @@ ELIF UNAME_SYSNAME == "Darwin":
     include "window_utils_mac.pyx"
 
 include "task.pyx"
-
 include "javascript_bindings.pyx"
 include "virtual_keys.pyx"
-
 include "window_info.pyx"
 include "process_message_utils.pyx"
-include "v8context_handler.pyx"
-include "v8function_handler.pyx"
 include "javascript_callback.pyx"
 include "python_callback.pyx"
-include "lifespan_handler.pyx"
-include "display_handler.pyx"
-include "keyboard_handler.pyx"
 include "web_plugin_info.pyx"
 include "request.pyx"
-include "request_handler.pyx"
 include "cookie.pyx"
 include "string_visitor.pyx"
-include "load_handler.pyx"
 include "network_error.pyx"
-include "browser_process_handler.pyx"
 include "paint_buffer.pyx"
-include "render_handler.pyx"
 include "callback.pyx"
-include "resource_handler.pyx"
 include "response.pyx"
 include "web_request.pyx"
 include "command_line.pyx"
 include "app.pyx"
-include "javascript_dialog_handler.pyx"
 include "drag_data.pyx"
 include "helpers.pyx"
 include "image.pyx"
+
+# Handlers
+include "handlers/browser_process_handler.pyx"
+include "handlers/display_handler.pyx"
 include "handlers/focus_handler.pyx"
+include "handlers/javascript_dialog_handler.pyx"
+include "handlers/keyboard_handler.pyx"
+include "handlers/lifespan_handler.pyx"
+include "handlers/load_handler.pyx"
+include "handlers/render_handler.pyx"
+include "handlers/resource_handler.pyx"
+include "handlers/request_handler.pyx"
+include "handlers/v8context_handler.pyx"
+include "handlers/v8function_handler.pyx"
 
 # -----------------------------------------------------------------------------
 # Utility functions to provide settings to the C++ browser process code.