Utal

- `client.get_username()` and `client.get_nickname()` methods added
- Added an experimental method and a new class `page.wait_to_load()`

- Fixed some bugs on `conversation.send()` method.

- Fixed some problems with PyPi
- 0.2.1: Fixed some bugs with `consersation.send()` method.

- Bugs with the `conversation.send()` method fixed.

- Added the **PyUTAL app's** using `from utal.core import PyUTAL`

Released on PyPi (wait for the oficial documentation. I'm working on it)

PREV0.1.0
First release (please wait for the oficial documentation. I'm working on it)