$LINES always equal to $COLUMNS

![lines](https://f.cloud.github.com/assets/319/496644/d5e153be-bbe6-11e2-8c07-8560a2be0551.png)

`$COLUMNS` is right, `$LINES` is not.  If I resize the terminal, they both update to the correct value for `$COLUMNS`.

![columns](https://f.cloud.github.com/assets/319/496658/41885310-bbe7-11e2-81d4-e634a5f6d3f3.png)