DWDS/Dialing Concordance Code

+ ddc_simple comfort changes
+ added scripts/json2kwic.perl

+ doc updates

+ added #=, #<, and #= sequence-query distance operators

+ v2.0.6: updated ddc_query.5

+ v2.0.6: added generic wildcard operator '*'

+ fixed inconsistency after 'make clean' in doc/ directory
- pods weren't getting included in distribution

v2.0.5:
+ class TxCab: added 'm_MapMode' argument
+ added class TxCabMap (default m_MapMode=1)
+ removed implicit append of '&qd=' for TxCab and descendants: now only included if argument URL doesn't end in '=',
to allow more flexible URL specifications
+ added CBiblExpander.(h|cpp): external bibliographic pseudo-fields
- implementation currently just wraps CTermExpander classes (except for Chain)

v2.0.5
+ re-factored bibliographic filtering in Bibliography.(h|cpp), QueryFilter.(h|cpp)
+ added new CConcXml member slot m_RegexOpts : initialized from CConcIndexator at option-load time (ConcordOptions.cpp)
+ added new FreeBiblIndex member m_pRegexOpts : pointer to m_RegexOpts for parent CConcXml object (utf8 by default)

+ querydoc fix

v2.0.4:
+ fixed annoying queries-must-end-with-whitespace bug in ddc_simple.cpp
+ re-worked "#HAS_FIELD" parsing, compilation, and evaluation routines
+ added support for negated #has filters "!#has[...]"
+ added support for negated regexes in #has expressions ("#has[x,!/r/]" acts like "!#has[x,/r/]")
+ added safe escapes for "*" wildcards in #has expressions
+ added explicit set-wise disjunction for #has expressions: #has[x,{a,b,c,...}]
+ TODO: external expansion API a la "|"-notation for #has filters