[MIN] XML Parsing: improved error message for missing input.
[FIX] XQFT: combining and caching full-text positions (ftand, ft:mark)
[FIX] Core: resizing hash item set
[MOD] XQFT: faster merge of position data
[FIX] XQuery: minor optimizations
[MOD] GUI, Editor: history list revised
[FIX] XQuery: correctly exit scope when binding function arguments
[MOD] XQuery, function calls: improved error feedback
[FIX] XQuery, GH-709: `group by` respects collations.
[FIX] XQuery, GH-704: Allow grouping variables to shadow each other.
Merge pull request #714 from LeoWoerteler/gh-704

[FIX] XQuery, GH-704: Allow grouping variables to shadow each other.
Merge pull request #713 from LeoWoerteler/gh-709

[FIX] XQuery, GH-709: `group by` respects collations.
[MOD] XQuery: better error feedback
[MIN] XQuery: comment
Merge branch 'master' of github.com:BaseXdb/basex
[MOD] XQuery: Annotation parsing tests added
[FIX] XQuery, try/catch: name test parsing revised
[FIX] GUI, Create/Add dialog: activate file filter for ZIP files
[ADD] XQuery, File Module: file:temp-dir(), file:create-temp-dir(),
      file:create-temp-file(). http://docs.basex.org/wiki/File_Module
[ADD] Core, URL connections: apply credentials specified in URL