Fixes #2 - resolving @import rules.

* Supporting both relative and absolute paths (via `-r` / `root` options).
History.md: link to the files in the repo
Use "node.js" name instead of "node"
test: style consistency changes and simplify quotes
README.md: minor improvements:

* link to /test/bench.js
* break a few long lines
* specify the language used in code blocks
style consistency changes
normalize end lines