Fix "Bug: Delimiter guessing overwrites column names."

[vincentlaucsb]

Fix issue #44

[codecov]

Codecov Report

Merging #46 into master will increase coverage by 0.15%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #46      +/-   ##
==========================================
+ Coverage   98.48%   98.64%   +0.15%     
==========================================
  Files          12       12              
  Lines         661      663       +2     
==========================================
+ Hits          651      654       +3     
+ Misses         10        9       -1

Impacted Files	Coverage Δ
include/internal/csv_reader.hpp	100% <ø> (ø)	⬆️
include/internal/csv_format.hpp	83.33% <ø> (ø)	⬆️
include/internal/csv_reader.cpp	99.6% <100%> (+0.4%)	⬆️

---

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[codecov]

Codecov Report

Merging #46 into master will increase coverage by 0.15%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #46      +/-   ##
==========================================
+ Coverage   98.48%   98.64%   +0.15%     
==========================================
  Files          12       12              
  Lines         661      663       +2     
==========================================
+ Hits          651      654       +3     
+ Misses         10        9       -1

Impacted Files	Coverage Δ
include/internal/csv_reader.hpp	100% <ø> (ø)	⬆️
include/internal/csv_format.hpp	83.33% <ø> (ø)	⬆️
include/internal/csv_reader.cpp	99.6% <100%> (+0.4%)	⬆️

---

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 0c1bcee...97c61b6. Read the comment docs.