Pygoogletranslate

[fix]
- Fixing an issue with event loops in pyGoogleTranslate_pyppeteer

[add]
- Adding the ability to change the chrome executable for pyppeteer

[fix]
- Adding arguments to pyppeteer launch to avoid problems with servers

[fix]
- Fixing an issue when pyGoogleTranslate_pyppeteer was not in the main thread

[fix]
- Fixing a typo issue with pyppeteer
- Removing an unused import from pyGoogleTranslate_pyppeteer

[add]
- Adding docs for pyGoogleTranslate_pyppeteer
- Adding docs for caching import and export

[add]
- Adding a pyppeteer version of pyGoogleTranslate (no browser pre-install needed) at pyGoogleTranslate.internal.pyGoogleTranslate_pypeteer

[change]
- Changing the name of the main script to pyGoogleTranslate.py