Add support for CSV version 0.10. Fix double quote escapes in datasets.csv

[andreasnoack]

It's been parsed incorrectly in previous versions of CSV because the default escape character is " while the file was using \.

[codecov-commenter]

Codecov Report

Merging #132 (2b13080) into master (3816963) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #132   +/-   ##
=======================================
  Coverage   83.33%   83.33%           
=======================================
  Files           3        3           
  Lines          18       24    +6     
=======================================
+ Hits           15       20    +5     
- Misses          3        4    +1     

Impacted Files	Coverage Δ
src/packages.jl	100.00% <0.00%> (ø)
src/dataset.jl	90.90% <0.00%> (+0.90%)	⬆️
src/datasets.jl	62.50% <0.00%> (+2.50%)	⬆️

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