Multi action pipes and Python code execution

README
Changes:

• Change how code loading works, Console namespace has source predefined
• obs namespace now automatically loads

Additions:

• Add Python and Lua executors
• Add pipes for multi actions
• Add register_on_* (show, hide, activate, deactivate) functions, print_settings -
  which prints all settings of a source, print_settings2 prints settings of filter on source,
  read_private_data and write_private_data which has access to private data.
• Add version Console (timer) based on timer_add (tick = 16 ms)

Fixes:

• Hotkey 0 now does not restarts and waits for completion