allow more whitespace
add ++ and --
add modulo %
parse .bs files on include. super hacky self-use of parser.
add try/catch
allow all the things! whitespace, accessors
more operators, woo
allow " ' around keys in dicts, "\\" not escaping the " in strings
allow 0 as step in for loops
allow more whitespace....
add 'extend' and 'super.' to classes
accept 0.12323e-1 and other weird numbers