Fix bug in expose where the findcontext was only allocated after setFindString: was called
Fix bug in LineBuffer that released the find context's results incorrectly
Use screenWindowScreenFrame instead of no-long-existant screenWindowScreen.frame
Draw an extra char left and right of the dirty region to account for unexpectedly wide chars
Remove bogus break statement in tmux history parser
Fix bug where setAltScreen did nothing when the altGrid wasn't allocated. Add -resetCharset.
Remove screenWindowScreen
Add case for XTERMCC_SET_KVP to avoid logging bug?? message