part two of Scheme in 48, parsing through a DottedList, support for different  base numbers, signle quote atom, etc.
Eval part 1: completed to a working state with minimal READ.me, TODO: clean up.
part 4 Adding Error Checking And Exceptions: working and minimal README.md
Part 5: evaluation part 2 control sturctures booleans, conditionals, basics work  etc. min README.md
Part 6: build a REPL! yay! getting fun :) minimal README.md basics work.
Part 7:  variable assignment minimum works basic README.md
Part 8: defining functions minimum works, TODO: README.md
adding TODOs