Free variables visitor.
Changed build.sh permissions
Added logic from constant-lifting to free variables visitor (commented out for now).
Free variables visitor now handles transparent identifiers.
Parallel ThenBy fix
getWithExpr
New Expression Active Patterns
Type gathering visitor.
Renamed
Simple Refactoring
Versino 0.6.3
Merge branch 'master' of https://github.com/nessos/LinqOptimizer.git