Issue #640: Drop old crypto code in bootloader.
Issue #640: Drop crypto support from other code.
Issue #507: Add some todos.
Issue #507: Implement stub for class FrozenImporter.
Issue #507: Implement __init__ method in class FrozenImporter.
Issue #507: Make class FrozenImporter the default import hook for frozen python modules.
Merge pull request #29 from matysek/develop
Issue #507: Enable old import mechanism. New uncompleted code got accidentally merged to main tree.
Issue #507: Implement method load_module by FrozenImporter class as required by PEP302.
Issue #507: Add BuiltinImporter class and fixes for load_module() in FrozenImporter.
Issue #507: Implement PEP302 compatible importer for C extension modules.
Issue #507: Better exception handling in new importer classes.
Issue #507: Remove old importers that directly overrided built-in import machinery.
Fix: Add missing hidden import to docutils hook.
Merge pull request #30 from bjones1/develop

Fix: Add missing hidden import to docutils hook.
Issue #507: Fix test basic/test_module_attributes for new import machinery.
Issue #507: Fix test import/test_relative_import3 for new import machinery.
Issue #507: Fix PIL.Image runtime hooks for new import machinery.
Issue #507: Fix for the wx tests - do not keep __path__ attribute empty list.
Issue #507: Fix for the celementtree tests - do not add sys.prefix to  __path__ attribute.