Pylt3

***************************
* Only require sklearn when using specific functions.

***************************

***************************
* Added :code:`is_number` to :code:`type_helpers`

*************************

*************************
* Improved :code:`get_n_lines`

*************************

*************************
* Removed deep learning code from PyLT3. The new direction for PyLT3 is to be a utility package with some
text (pre)processing features.

***********************

***********************
* Packaging improvements

***********************

***********************
* Removed :code:`Path().path` in favor of :code:`str(Path())`

**************************