#460 Max and Min were renamed to HighestOf and LowestOf to support Comparable implementations

[bedward70]

After the discussion "MaxOf and MinOf #460".

To support Comparable implementations:

1. Max and Min were renamed to HighestOf and LowestOf.
2. Tests were added for Comparable implementations: String, Character.

[0crat]

@yegor256 please, pay attention to this pull request

[codecov-io]

Codecov Report

Merging #475 into master will increase coverage by 0.29%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #475      +/-   ##
============================================
+ Coverage     65.74%   66.04%   +0.29%     
- Complexity      862      878      +16     
============================================
  Files           178      183       +5     
  Lines          3004     3039      +35     
  Branches        226      230       +4     
============================================
+ Hits           1975     2007      +32     
- Misses          971      974       +3     
  Partials         58       58

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/org/cactoos/scalar/LowestOf.java	100% <100%> (ø)	3 <3> (?)
src/main/java/org/cactoos/scalar/Folded.java	100% <100%> (ø)	4 <4> (?)
src/main/java/org/cactoos/func/MaxFunc.java	100% <100%> (ø)	3 <3> (?)
src/main/java/org/cactoos/scalar/HighestOf.java	100% <100%> (ø)	3 <3> (?)
src/main/java/org/cactoos/func/MinFunc.java	100% <100%> (ø)	3 <3> (?)
src/main/java/org/cactoos/func/RetryFunc.java	30.76% <0%> (-11.54%)	3% <0%> (ø)
... and 1 more

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[0crat]

Job gh:yegor256/cactoos#475 is in scope.

[0crat]

Job gh:yegor256/cactoos#475 assigned to @kkamkou, please go ahead (policy).

[yegor256]

@bedward70 why do we need that MaxFunc and MinFunc? Can't we just inline them? Also, we already have Reduced, why adding Folded?

[bedward70]

@yegor256 oh, sorry! I'll fix it now!

[0crat]

Job gh:yegor256/cactoos#475 is now out of scope.

[0crat]

Payment to ARC for closed pull request.: +15 points just awarded to @yegor256, total is +6285.

[0crat]

Order was successfully finished: +30 points just awarded to @kkamkou, total is +1530.