add asset spec
upgrade eventmachine over 1.0
Merge pull request #10 from anson0370/master

force to using `UTF-8` encoding
bump version to 0.1.2
draft support for websocket
remove react support, F___ windows.
bump version to 0.1.3
use cssminify to instead of yui-compressor, reduce gem dependency
add a command
add version alias -v
add a mtime cache for copy files
bump version
fix cache miss
bump version
remove all unnecessary Thread