Show overlay scrollbars in fullscreen. The build is officially 10.7+ now
Refactor PTYTextView's data source (VT100Screen) to use a protocol. Also change builds to use latest SDK and compiler (this probably breaks Legacy, but that will go away soon)
Refactor PTYTextView's delegate (PTYSession) into a protocol
Continue refactoring, getting rid of Private categories, fixing warnings, improve warning flags.
Get rid of PseudoTerminal's Private category
Add assert to try to find crash
Fix merge conflicts
Add some cursor-related logging
Fix horrific merge conflict
Fix bug where cursor was not redrawn when it changes from hidden to shown. Add some cursor related logging.
Don't try to free a null CRun
Don't free null run
Fix bug where default line's size isn't properly ensured before it's used. Not a problem in pracgtice until patch 141 (vsplits) is pulled
Fix bug where the char under the cursor wasn't drawn
Fix bug where the char under the cursor wasn't drawn
Add DECLRMM(DECVSSM; vertical split-screen mode)
Add left/right margin
Apply left/right margin with NL/SU/SD/IND/RI

Conflicts:
	VT100Screen.m
Apply left/right margin with IL/DL
Reset left-right scroll margin when reset/resized