prepare to release 0.1

Ignore-this: 48d8d2553d2e1176e2cf34ef1bb11672

darcs-hash:20140213001751-3a4db-d841c0584af52774c2d221ce41f97b2ffc106bec
start development of 0.2

Ignore-this: d62c35a2e62b98df147c578ad3b43b73

darcs-hash:20140213003808-3a4db-c548e9a615d10cc6b4d6bc598356863483a64da0