Implement globals#313

Merged

rossberg merged 4 commits intobinary-0xdfrom

Aug 12, 2016

Commits on Jul 19, 2016

Implement basic globals
rossberg
committed

Commits on Jul 21, 2016

Initilizers for globals
rossberg
committed

Commits on Jul 22, 2016

Fix c&p error
rossberg
committed

Commits on Aug 12, 2016

Update opcodes
rossberg
committed