Logarithm for differential entropy estimators from the *definition*, not the estimator itself

[kahaaga]

• Fixes Kraskov estimator does not have a definition field. #296.

[codecov]

Codecov Report

Merging #298 (e837681) into main (5d8e709) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #298   +/-   ##
=======================================
  Coverage   86.41%   86.41%           
=======================================
  Files          72       72           
  Lines        1767     1767           
=======================================
  Hits         1527     1527           
  Misses        240      240           

Files Changed	Coverage Δ
...ferential_info_estimators/nearest_neighbors/Gao.jl	100.00% <100.00%> (ø)
...rential_info_estimators/nearest_neighbors/Goria.jl	100.00% <100.00%> (ø)
...estimators/nearest_neighbors/KozachenkoLeonenko.jl	100.00% <100.00%> (ø)
...ntial_info_estimators/nearest_neighbors/Kraskov.jl	100.00% <100.00%> (ø)
...erential_info_estimators/nearest_neighbors/Lord.jl	100.00% <100.00%> (ø)
...ferential_info_estimators/nearest_neighbors/Zhu.jl	100.00% <100.00%> (ø)
...tial_info_estimators/nearest_neighbors/ZhuSingh.jl	100.00% <100.00%> (ø)
...nfo_estimators/order_statistics/AlizadehArghami.jl	100.00% <100.00%> (ø)
...rential_info_estimators/order_statistics/Correa.jl	100.00% <100.00%> (ø)
...ntial_info_estimators/order_statistics/Ebrahimi.jl	100.00% <100.00%> (ø)
... and 1 more

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