Andrew Gallant e84a22485c Fix bug where unclosed paren was allowed.
When popping the parse stack at the end of parsing, we weren't actually
checking that the stack was empty. If the stack isn't empty, then that
indicates an unclosed parenthesis.

Fixes #239.
2016-05-23 10:00:09 -04:00
..
2016-05-20 06:36:10 -04:00