v0.2-pre4
Grant Likely
Update release notes for v0.2-pre4
Add .pyc files to .gitignore
Add version number to released filenames
Add DCO 1.1 file
Create FAQ.md
Update copyright dates and revision history
Fix changebar pdf build and add to Travis releases
Remove documenting include directive from TODO list
Add comment on "Semantic Linefeeds" to writers guide