[MOD] Package-protected StaticContext#xquery3 flag.
[MOD] Updating the stack-frames code.
[MOD] GFLWOR optimizations.
[ADD] General inlining.
[ADD] Expr#copy() for copying expressions and some static typing.
[MOD] Generalized and simplified the Expr visitor.
[ADD] Function inlining implemented.
[DEL] Expr#remove(Var) not needed any longer.
[MOD] cleanup of static variables code.
[MOD] Better strategy for compiling functions and static variables.
[MOD] The stack is now a single array, also some inlining fixes.
[FIX] XQuery, File Module: also add directories that match glob syntax
Merge branch 'stack-frames' of github.com:BaseXdb/basex into stack-frames
[FIX] XQuery, xquery:invoke(): set file uri as query base uri
[MOD] All ParseExpr instances are now either abstract or final.
[ADD] Cheapness heuristic for inlining axis paths (allowing index rewritings).
[MOD] Year updated: 2012 -> 2013
Merge pull request #635 from LeoWoerteler/stack-frames

More index rewritings and some refactoring.
Merge branch 'stack-frames' of github.com:BaseXdb/basex into stack-frames
[MOD] Simplified OrderBy expression.