More likely to be more empty rows than empty columns

[yanokwa]

Closes #620

Why is this the best possible solution? Were any other approaches considered?

Smallest change possible.

What are the regression risks?

None. We are increasing a limit.

Does this change require updates to documentation? If so, please file an issue here and include the link below.

Nope.

Before submitting this PR, please make sure you have:

• [ ] included test cases for core behavior and edge cases in tests
• [ ] run nosetests and verified all tests pass
• [ ] run black pyxform tests to format code
• [x] verified that any code or assets from external sources are properly credited in comments

[lindsay-stevens]

Seems reasonable to me. Let them be S P A C E D!

[lognaturel]

S

P

A

C

E

D

?

😅