First cut at fixing Wrong transformation on sequencial assign #34
  - when we see an assign, check if the right node is an assign that was converted. if so, move the right assign above us, then convert the value to be a getter for that property we assigned to.

The AST structure that I'm returning seems to work, but isn't technically correct. Really we want a series of statements, but I couldn't figure out how to structure it so uglify didn't complain.
Merge branch 'multiple_assign' of https://github.com/sgtcoolguy/hyperloop-common into sgtcoolguy-multiple_assign
Fix: return two statements by AST_Array
Merge pull request #47 from infosia/sgtcoolguy-multiple_assign

Fix: return two statements by AST_Array