Assign statements and standalone expression statements are added, plus
some tests.
Additionally, starting tokens are implemented using lazy_static!{} so
that they can be mixed and matched.
Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
* Lexer recognizes semicolons as EOL tokens, and newline tokens
* Parser can be configured to ignore newlines (which is also used
internally)
* Newlines are allowed in lists, tuples, and parenthesized expressions
* Add a bunch of tests for the new stuff
Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
