Fix: readSingle pipe
Add: `root` parse by `normalize`
Clear
Merge branch 'dev' of git@github.com:Bacra/seajs-combo-express.git into dev

Conflicts:
	lib/combo.js
	lib/main.js
Fix: config
Update: single writeStream
Add: underscore package
Add: send package
Add: cache path
Fix: file write and futimes
Update: write cache file by sync method
Update: remove file when wirting error