Ichrome

- add create_context for AsyncChromeDaemon
- add incognito_tab for chrome and daemon
- support PortForwarder context 84
- Duplicated Event Key raise error fix 85

fix bad Fetch.enable pattern to patterns

- fix stable bugs
- add `flatten sessions`
- fix recv too late after send
- `Incognito Mode` support 58
- add kwargs for tab.enable
- iter_fetch for Fetch.enable 74 fixed
- update some common chrome args
- set DEFAULT_POPEN_ARGS = {'start_new_session': True}
- -tc cmd arg for repl mode connect to a launched chrome

- add popen_kwargs for ChromeDaemon

now you can set `preexec_fn` for Popen to avoid linux signal while running

- iter a None type procs fix 55
- add DEFAULT_CACHE_SIZE for ChromeWorker

- add get_local_state for ChromeDaemon

- allow using exist user_data_dir

- refactor tab.repl fixed 47