Rename some variables to avoid confusion

[findmyway]

No description provided.

[codecov-commenter]

Codecov Report

Merging #25 (85f531d) into main (1ff0d8f) will not change coverage.
The diff coverage is 75.00%.

@@           Coverage Diff           @@
##             main      #25   +/-   ##
=======================================
  Coverage   67.78%   67.78%           
=======================================
  Files          10       10           
  Lines         478      478           
=======================================
  Hits          324      324           
  Misses        154      154           

Impacted Files	Coverage Δ
src/samplers.jl	80.48% <66.66%> (ø)
src/common/CircularArraySARTTraces.jl	100.00% <100.00%> (ø)
src/common/CircularArraySLARTTraces.jl	100.00% <100.00%> (ø)

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