[MOD] raise an error if invalid max was used for random:integer()
[FIX] XQuery, Random Module: raise error for invalid input:
      http://docs.basex.org/wiki/Random_Module
[ADD] Option XINCLUDE (XML Parsing, GUI): (de)activate XInclude
[ADD] XQuery: simplify nested predicates. Closes #984
[MOD] XQuery: iterative evaluation of map expressions (..!..)
[FIX] XQuery, simple map (!): parsing and evaluation revised
[DEL] XQuery: remove reset() from iterator
[MIN] cleanups
[FIX] CSV Parsing: attributes
[MIN] cleanups
[MOD] XQuery, trace(), prof:dump(): serializing maps & arrays
[MIN] Visibility (IntelliJ inspections)
[FIX] XQuery, union type of maps and arrays; tests
[MIN] XQuery, trace(), prof:dump()
[MIN] XQuery, trace(), prof:dump()
[MIN] Code unifications
[MIN] XQuery parser: {@code null} comments added
[MIN] Refactorings
[MIN] Refactorings
[ADD] XQuery: lookup and arrow operator
  http://docs.basex.org/wiki/XQuery_3.1#Lookup_Operator
  http://docs.basex.org/wiki/XQuery_3.1#Arrow_Operator