Use issorted in rangecheck

[npbarnes]

This should be slightly more robust. For example, if someone's using Unitful.jl to give their x array units, then all(diff(x) .> 0.0) will cause an error because numbers with units can't be compared with the dimensionless number 0.0. On the other hand, issorted(x) should work for any eltype that defines the less than function.

[codecov-commenter]

Codecov Report

Base: 92.32% // Head: 92.32% // No change to project coverage 👍

Coverage data is based on head (eee75d3) compared to base (a488b76).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main       #6   +/-   ##
=======================================
  Coverage   92.32%   92.32%           
=======================================
  Files           6        6           
  Lines         534      534           
=======================================
  Hits          493      493           
  Misses         41       41           

Impacted Files	Coverage Δ
src/base.jl	94.31% <100.00%> (ø)

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[markmbaum]

Right. Sometimes I forget about the built in checks for these conditions.