ItemFinder really can get multiple items with a pilcrow - and it aly can't handle it.

[Veracity0]

I noticed bogus messages like the following:

820728820658209 is out of range, returning 0

that is a result of:

autosell 4 ¶8207, 28 ¶8206, 5 ¶8209

I guess that batched CLI commands really can pass in a bunch of pilcrow-specified items in a single command.

Restore rejection of such and let them be split by commas and parsed individually.

[codecov]

Codecov Report

Merging #603 (bb69a8c) into main (27ae5da) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##               main     #603   +/-   ##
=========================================
  Coverage     21.00%   21.00%           
  Complexity     9021     9021           
=========================================
  Files          1001     1001           
  Lines        156157   156161    +4     
  Branches      34709    34711    +2     
=========================================
+ Hits          32805    32806    +1     
- Misses       117416   117420    +4     
+ Partials       5936     5935    -1     

Impacted Files	Coverage Δ
...t/sourceforge/kolmafia/persistence/ItemFinder.java	80.62% <100.00%> (+0.27%)	⬆️
...rceforge/kolmafia/persistence/HolidayDatabase.java	34.57% <0.00%> (-0.24%)	⬇️
...ourceforge/kolmafia/utilities/StringUtilities.java	58.21% <0.00%> (-0.23%)	⬇️
...sourceforge/kolmafia/persistence/ItemDatabase.java	40.87% <0.00%> (-0.10%)	⬇️

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