Fix a few more string memory issues.
Fix resize event on X11. Without this change, resizing window larger than initial size doesn't work.
Merge pull request #85 from glennw/c-str-issues

Fix a few more string memory issues.
Merge pull request #86 from glennw/x11-resize

Fix resize event on X11. Without this change, resizing window larger tha...
Update README.md