Add any case of arguments in relevancy based functions to be allowed

[MitchellGale]

Description

Allows for any case on argument name for relevancy based function (Match Phrase Prefix, Simple Query String, Match Bool Prefix, Match, Multi-Match, Query String, Relevance, Simple Query String).
e.g.
AnalyZer can work instead of just analyzer
Zero_Terms_Query can work instead of just zero_terms_query
BOOst can work instead of just boost

Allows for zero_term_query arguments to be of any case.
e.g.
All can work instead of ALL

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

Merging #103 (5d146f2) into integ-RelFunc_changeCaseWhereAppropriate (29f1c52) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@                             Coverage Diff                             @@
##             integ-RelFunc_changeCaseWhereAppropriate     #103   +/-   ##
===========================================================================
  Coverage                                       94.78%   94.79%           
- Complexity                                       2880     2882    +2     
===========================================================================
  Files                                             286      286           
  Lines                                            7735     7741    +6     
  Branches                                          565      565           
===========================================================================
+ Hits                                             7332     7338    +6     
  Misses                                            349      349           
  Partials                                           54       54           

Flag	Coverage Δ
query-workbench	62.76% <ø> (ø)
sql-engine	97.76% <100.00%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
...ilter/lucene/relevance/MatchPhrasePrefixQuery.java	100.00% <100.00%> (ø)
...ript/filter/lucene/relevance/MatchPhraseQuery.java	100.00% <100.00%> (ø)
...age/script/filter/lucene/relevance/MatchQuery.java	100.00% <100.00%> (ø)
...cript/filter/lucene/relevance/MultiMatchQuery.java	100.00% <100.00%> (ø)
...ript/filter/lucene/relevance/QueryStringQuery.java	100.00% <100.00%> (ø)
...script/filter/lucene/relevance/RelevanceQuery.java	100.00% <100.00%> (ø)
...ilter/lucene/relevance/SimpleQueryStringQuery.java	100.00% <100.00%> (ø)

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