initial work
More progress
More progress
More progress
Grid compiles
Fix up warnings. Starting on tests for vt100grid
More tests
More tests
Finish tests for VT100Grid
Yay, things compile
Add tests for appendCharsAtCursor
more tests
Finish tests for grid, really
Fix build
Remove unused methods from VT100Screen.h
Make VT100Screen not have a direct reference to PTYSession, use a protocol instead
Clean up VT100Screen
Clean up VT100Screen some more
Remove includes
Add test harness