Multiple code refactor, trivial stuff.

Signed-off-by: crynobone <crynobone@gmail.com>
Simplify Orchestra\Support\Nesty:: pickTraverseFromMatchedExpression().

Signed-off-by: crynobone <crynobone@gmail.com>
Small tweak.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.0'