Pltpublish

Added two new methods :
- ``get_color_cycle`` gets you the current default color cycle
- ``set_color_cycle`` sets the current default color cycle

**[New]**
- ``set_size_pixels`` enable you to set your figure size in pixels

**[Changes]**
- ``save_fig`` does not ensure a minimum DPI instead it takes a scaling parameter

**[Fix]**
- Fixed ``setup_colorblind`` with matplotlib >= 3.6

First version uploaded on PyPI.