- TODO's
- make lexer
- return table type
- tables have A-Z columns, after if repeats (AA, AAA...)
- numbers as rows (1, 2, 3 ... Infinity)
- return table type
- make parser
- parse expressions (A1+B1)
- eval numeric expressions (=2*2)
- option to print output in csv file
- add flags
- print table
- parsed
- unparsed
- print size
- print table
- make lexer