Add the build/ dir to `make clean`.
Use single quote in the codebase.
Use shorter varialble names.
Add a decent command-line interface.
Rename the core section name to settings.
Tweak codumentation a bit.
Add dist/ and build/ dirs to .gitignore.
Prepare for 0.2.
More tweak, whitespace normalization.
Add sudo option to the installation doc.