Review fixes / todo
Review fixes, notes, and switched launch.dart to take compiler service rather than whole services instance
Fixed bug with compiler service (didn't pass string for compileString)
TESTING compile hello world after starting compiler
Added error catch on handleEvent future (for catches that aren't in this event loop).
Reverting compiler service in launch.dart
TESTING
Revert "TESTING"

This reverts commit 121af36b2cf1192de0f8e9c7471045e65598c6c8.
Revert: TESTING compile hello world after starting compiler