PrettyTables.jl can now crop the printing to fit the screen

Hi guys!

One of the most asked features in PrettyTables.jl I received was to add support to crop the printing to fit the display size. Well, with my last set of commits I think I could do this!

I have to change a lot the internals and I will appreciate if anyone can test it, maybe I broke something…

Notice that, even in partial text, the features such as the highlighters will work:


By the way, people also asked me a way to print dictionaries: