Single module for both Python 2 and 3
Refactor charlookup, moving structure to data
Avoid zip to list;ValueError on incompatible sizes
Reverse the y axis only for printing
yloop is now a generator function
New bin_generator, so yloop return a list again
Refactor column creation to use the bin_generator
Row-based print w/o indexes ; y=0 label bugfix
Mode +x script w/ hashbang for Linux; CRLF -> LF
Docstrings for all functions & some minor changes
Add Danilo (me) to the copyright message
Add setup.py
Merge pull request #5 from danilobellini/refactor

Py2+3 in a single module; setup.py; refactor; etc.