[bugfix] Function calls should check query watchdog to allow a user to stop a query caught in an endless recursion.
Merge branch 'develop' of https://github.com/eXist-db/exist into develop
Merge branch 'develop' of https://github.com/eXist-db/exist into develop
Merge pull request #159 from wolfgangmm/develop

Allow query caught in endless recursion to be killed
Merge pull request #160 from claudius108/develop

Added error messages for parsing functions.