Making execution data available in data flow context

Change-Id: Ia0a5a3c26249b7c993beb422f86c5bcee48bedab
Fixing inline expressions evaluation

* In case if internal evaluated value is not a string (e.g. a number) it
  threw coercion exception

Change-Id: I0bf7dd3177a831bc119f75601011fcd8327272be