[FIX] XQuery, GH-867: ClassCastException in updating inline functions.
Merge pull request #876 from LeoWoerteler/gh-867

[FIX] XQuery, GH-867: ClassCastException in updating inline functions.
[MOD] Commands: static function for creating backups
[FIX] Commands: create backups; restore
[FIX] Disallow declaration and use of function items. Closes #875.
[ADD] XQuery, GH-879: Rob Stapper's test case.
[MOD] Relaxed requirements for inlining function items.
[MOD] Moved non-local bindings from `VarScope` to `Closure`.
[ADD] XQuery, admin:users(): include password (md5 encoded)
Merge pull request #880 from LeoWoerteler/gh-879

Relaxed requirements for inlining function items.
Merge branch 'master' of github.com:BaseXdb/basex
[FIX] Closes #881.
[FIX] XQuery, db:backups(): show correct size
[FIX] XQuery, GH-881: Pre-Evaluation of try/catch.
Merge pull request #883 from LeoWoerteler/gh-881

[FIX] XQuery, GH-881: Pre-Evaluation of try/catch.
[ADD] Test case for static variable referencing itself.
[FIX] XQuery, GH-885: self-referencing variables & updating expressions.
Merge pull request #887 from LeoWoerteler/gh-885

Fix for Static Variable Referencing Itself
[MIN] Better error message for self-referencing static variables.
Merge pull request #888 from LeoWoerteler/gh-886

[MIN] Better error message for self-referencing static variables.