Merge pull request #7 from cpselvis/feature_20170618_redis_queue

Feature 20170618 redis queue

Merge branch 'master' of https://github.com/cpselvis/zhihu-crawler

Update release doc.

Add release history doc.

Merge pull request #3 from cpselvis/develop

Add persistent database layer, to store data.

Merge pull request #2 from cpselvis/develop

Use memory queue and hash set to support BFS.

Merge pull request #1 from cpselvis/develop

Awesome, some basic crawler function has finished.