Fixes to the blockly compiler (#1046)
Fixes to the blockly compiler (#1046)

* Fixes to the blockly compiler, fixes #963
switch-education/pxt,playi/pxt,switch-education/pxt,playi/pxt,Microsoft/pxt,switchinnovations/pxt,Microsoft/pxt,switchinnovations/pxt,Microsoft/pxt,switchinnovations/pxt,switch-education/pxt,playi/pxt,Microsoft/pxt,switchinnovations/pxt,switch-education/pxt,Microsoft/pxt,playi/pxt,switch-education/pxt