Fixes #226 - Allow importing ragged CSV files

[codecov[bot]]

Codecov Report

Merging #456 into master will increase coverage by 0.02%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #456      +/-   ##
==========================================
+ Coverage    90.4%   90.42%   +0.02%     
==========================================
  Files          28       28              
  Lines        2585     2591       +6     
==========================================
+ Hits         2337     2343       +6     
  Misses        248      248

Impacted Files	Coverage Δ
src/tablib/formats/_csv.py	100% <100%> (ø)	:arrow_up:
tests/test_tablib.py	98.52% <100%> (ø)	:arrow_up:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 7a6c623...096bc76. Read the comment docs.

[claudep]

@hugovk I think we should be ready for 1.1. OK on your side?

[hugovk]

OK on my side!