Fix countbit in version v1.8
Update gitignore
Add command `dbsize`
Test case for dbsize
Add option `auth` on client initialization
Update travis test ssdb commit to v1.8.0
Add auth to test cases
Use ssdb conf with auth option for test
v0.1.3 changes
Update README
v0.1.3
Fuck the ci
Merge branch 'dev'

* dev:
  Fuck the ci
  v0.1.3
  Update README
  v0.1.3 changes
  Use ssdb conf with auth option for test
  Add auth to test cases
  Update travis test ssdb commit to v1.8.0
  Add option `auth` on client initialization
  Test case for dbsize
  Add command `dbsize`
  Update gitignore
  Fix countbit in version v1.8