* Working on completion injection
* Working on completion substitutiton

* Moves the frame builder to an external extension method on the transformedMethodSymbol
* Adds typeExtensions to make making OrNull and OrTypes easier:
  ```scala
	someType | someOtherType =:= OrType(someType, someOtherType, true)
	someType.? =:= OrNull(someType)
	```
* Fixes block application in Deferred launcher
* moves some additional string names to the constants file

* Adds TransformedMethodKey and TransformedMethod to the
* Uses putAttachment to attatch the transformed method to its subtrees
to allow for local variable reconstruction in the transformation
ContinuationsPhase companion
* Constructs a Thicket around the original method rhs. Then collects
the trees until a tree calling shift is encountered into a list of
thickets, each ending in a call to shift. Finally, constructs the
state machine match tree, creating a CaseDef for each thicket, then
appends the final invocation error case.
* Extracts IllegalArgumentException full name to constants
* Extracts resumeBeforeInvoke message to constants

* Identifies the inlined calls to replace
* TODO -- add initialization
* TODO finish the safe resume transformation

* fixes bad denotation
* TODO -- on 0 case, remove second part of iteration initialization
and generated label.

* TODO: Check intermediate variable names
* TODO: Handle ownership of nested trees

* TODO: Debug which option in the return value is not working
* TODO: Replace suspension point values with reserved variables

* Makes the intermediate states return from the appropiate label
* Replaces the raw values with continuation initialized value refs

* TODO: Fix unbound placeholder parameter

* Todo: Fix GenBCode (probably a non-entered symbol somewhere)

* Transformation is now fully done via TreeTypeMap with substitution
* TODO values inside the anonymous function appear to be discarded --
figure out why